679317716

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1$

素因数の和:286

約数の個数: 144

約数和(自身を含む): 1606980480

約数和(自身を除く): 927662764

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 61, 76, 77, 121, 122, 133, 154, 173, 209, 242, 244, 266, 308, 346, 418, 427, 484, 532, 671, 692, 836, 847, 854, 1159, 1211, 1342, 1463, 1694, 1708, 1903, 2299, 2318, 2422, 2684, 2926, 3287, 3388, 3806, 4598, 4636, 4697, 4844, 5852, 6574, 7381, 7612, 8113, 9196, 9394, 10553, 12749, 13148, 13321, 14762, 16093, 16226, 18788, 20933, 21106, 23009, 25498, 26642, 29524, 32186, 32452, 36157, 41866, 42212, 46018, 50996, 51667, 53284, 64372, 72314, 73871, 83732, 89243, 92036, 103334, 116083, 140239, 144628, 146531, 147742, 178486, 200507, 206668, 232166, 253099, 280478, 293062, 295484, 356972, 397727, 401014, 464332, 506198, 560956, 586124, 795454, 802028, 812581, 981673, 1012396, 1276913, 1403549, 1590908, 1625162, 1963346, 2205577, 2553826, 2784089, 2807098, 3250324, 3926692, 4411154, 5107652, 5568178, 5614196, 8822308, 8938391, 11136356, 15439039, 17876782, 24261347, 30878078, 35753564, 48522694, 61756156, 97045388, 169829429, 339658858, 679317716]

約数ペア:

[(1, 679317716), (2, 339658858), (4, 169829429), (7, 97045388), (11, 61756156), (14, 48522694), (19, 35753564), (22, 30878078), (28, 24261347), (38, 17876782), (44, 15439039), (61, 11136356), (76, 8938391), (77, 8822308), (121, 5614196), (122, 5568178), (133, 5107652), (154, 4411154), (173, 3926692), (209, 3250324), (242, 2807098), (244, 2784089), (266, 2553826), (308, 2205577), (346, 1963346), (418, 1625162), (427, 1590908), (484, 1403549), (532, 1276913), (671, 1012396), (692, 981673), (836, 812581), (847, 802028), (854, 795454), (1159, 586124), (1211, 560956), (1342, 506198), (1463, 464332), (1694, 401014), (1708, 397727), (1903, 356972), (2299, 295484), (2318, 293062), (2422, 280478), (2684, 253099), (2926, 232166), (3287, 206668), (3388, 200507), (3806, 178486), (4598, 147742), (4636, 146531), (4697, 144628), (4844, 140239), (5852, 116083), (6574, 103334), (7381, 92036), (7612, 89243), (8113, 83732), (9196, 73871), (9394, 72314), (10553, 64372), (12749, 53284), (13148, 51667), (13321, 50996), (14762, 46018), (16093, 42212), (16226, 41866), (18788, 36157), (20933, 32452), (21106, 32186), (23009, 29524), (25498, 26642)]