520804648

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:327

約数の個数: 128

約数和(自身を含む): 1248952320

約数和(自身を除く): 728147672

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 43, 52, 56, 86, 91, 104, 127, 131, 172, 182, 254, 262, 301, 344, 364, 508, 524, 559, 602, 728, 889, 917, 1016, 1048, 1118, 1204, 1651, 1703, 1778, 1834, 2236, 2408, 3302, 3406, 3556, 3668, 3913, 4472, 5461, 5633, 6604, 6812, 7112, 7336, 7826, 10922, 11266, 11557, 11921, 13208, 13624, 15652, 16637, 21844, 22532, 23114, 23842, 31304, 33274, 38227, 39431, 43688, 45064, 46228, 47684, 66548, 70993, 73229, 76454, 78862, 92456, 95368, 116459, 133096, 141986, 146458, 152908, 157724, 216281, 232918, 283972, 292916, 305816, 315448, 432562, 465836, 496951, 512603, 567944, 585832, 715391, 865124, 931672, 993902, 1025206, 1430782, 1513967, 1730248, 1987804, 2050412, 2861564, 3027934, 3975608, 4100824, 5007737, 5723128, 6055868, 9300083, 10015474, 12111736, 18600166, 20030948, 37200332, 40061896, 65100581, 74400664, 130201162, 260402324, 520804648]

約数ペア:

[(1, 520804648), (2, 260402324), (4, 130201162), (7, 74400664), (8, 65100581), (13, 40061896), (14, 37200332), (26, 20030948), (28, 18600166), (43, 12111736), (52, 10015474), (56, 9300083), (86, 6055868), (91, 5723128), (104, 5007737), (127, 4100824), (131, 3975608), (172, 3027934), (182, 2861564), (254, 2050412), (262, 1987804), (301, 1730248), (344, 1513967), (364, 1430782), (508, 1025206), (524, 993902), (559, 931672), (602, 865124), (728, 715391), (889, 585832), (917, 567944), (1016, 512603), (1048, 496951), (1118, 465836), (1204, 432562), (1651, 315448), (1703, 305816), (1778, 292916), (1834, 283972), (2236, 232918), (2408, 216281), (3302, 157724), (3406, 152908), (3556, 146458), (3668, 141986), (3913, 133096), (4472, 116459), (5461, 95368), (5633, 92456), (6604, 78862), (6812, 76454), (7112, 73229), (7336, 70993), (7826, 66548), (10922, 47684), (11266, 46228), (11557, 45064), (11921, 43688), (13208, 39431), (13624, 38227), (15652, 33274), (16637, 31304), (21844, 23842), (22532, 23114)]