328675984

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^2$

素因数の和:265

約数の個数: 120

約数和(自身を含む): 832655040

約数和(自身を除く): 503979056

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 38, 52, 56, 76, 91, 104, 109, 112, 133, 152, 182, 208, 218, 247, 266, 304, 364, 436, 494, 532, 728, 763, 872, 988, 1064, 1417, 1456, 1526, 1729, 1744, 1976, 2071, 2128, 2834, 3052, 3458, 3952, 4142, 5668, 6104, 6916, 8284, 9919, 11336, 11881, 12208, 13832, 14497, 16568, 19838, 22672, 23762, 26923, 27664, 28994, 33136, 39676, 47524, 53846, 57988, 79352, 83167, 95048, 107692, 115976, 154453, 158704, 166334, 188461, 190096, 215384, 225739, 231952, 308906, 332668, 376922, 430768, 451478, 617812, 665336, 753844, 902956, 1081171, 1235624, 1330672, 1507688, 1580173, 1805912, 2162342, 2471248, 2934607, 3015376, 3160346, 3611824, 4324684, 5869214, 6320692, 8649368, 11738428, 12641384, 17298736, 20542249, 23476856, 25282768, 41084498, 46953712, 82168996, 164337992, 328675984]

約数ペア:

[(1, 328675984), (2, 164337992), (4, 82168996), (7, 46953712), (8, 41084498), (13, 25282768), (14, 23476856), (16, 20542249), (19, 17298736), (26, 12641384), (28, 11738428), (38, 8649368), (52, 6320692), (56, 5869214), (76, 4324684), (91, 3611824), (104, 3160346), (109, 3015376), (112, 2934607), (133, 2471248), (152, 2162342), (182, 1805912), (208, 1580173), (218, 1507688), (247, 1330672), (266, 1235624), (304, 1081171), (364, 902956), (436, 753844), (494, 665336), (532, 617812), (728, 451478), (763, 430768), (872, 376922), (988, 332668), (1064, 308906), (1417, 231952), (1456, 225739), (1526, 215384), (1729, 190096), (1744, 188461), (1976, 166334), (2071, 158704), (2128, 154453), (2834, 115976), (3052, 107692), (3458, 95048), (3952, 83167), (4142, 79352), (5668, 57988), (6104, 53846), (6916, 47524), (8284, 39676), (9919, 33136), (11336, 28994), (11881, 27664), (12208, 26923), (13832, 23762), (14497, 22672), (16568, 19838)]