644426484

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{1151}}^1$

素因数の和:1305

約数の個数: 96

約数和(自身を含む): 1681698816

約数和(自身を除く): 1037272332

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 37, 39, 52, 74, 78, 97, 111, 148, 156, 194, 222, 291, 388, 444, 481, 582, 962, 1151, 1164, 1261, 1443, 1924, 2302, 2522, 2886, 3453, 3589, 3783, 4604, 5044, 5772, 6906, 7178, 7566, 10767, 13812, 14356, 14963, 15132, 21534, 29926, 42587, 43068, 44889, 46657, 59852, 85174, 89778, 93314, 111647, 127761, 139971, 170348, 179556, 186628, 223294, 255522, 279942, 334941, 446588, 511044, 553631, 559884, 669882, 1107262, 1339764, 1451411, 1660893, 2214524, 2902822, 3321786, 4130939, 4354233, 5805644, 6643572, 8261878, 8708466, 12392817, 16523756, 17416932, 24785634, 49571268, 53702207, 107404414, 161106621, 214808828, 322213242, 644426484]

約数ペア:

[(1, 644426484), (2, 322213242), (3, 214808828), (4, 161106621), (6, 107404414), (12, 53702207), (13, 49571268), (26, 24785634), (37, 17416932), (39, 16523756), (52, 12392817), (74, 8708466), (78, 8261878), (97, 6643572), (111, 5805644), (148, 4354233), (156, 4130939), (194, 3321786), (222, 2902822), (291, 2214524), (388, 1660893), (444, 1451411), (481, 1339764), (582, 1107262), (962, 669882), (1151, 559884), (1164, 553631), (1261, 511044), (1443, 446588), (1924, 334941), (2302, 279942), (2522, 255522), (2886, 223294), (3453, 186628), (3589, 179556), (3783, 170348), (4604, 139971), (5044, 127761), (5772, 111647), (6906, 93314), (7178, 89778), (7566, 85174), (10767, 59852), (13812, 46657), (14356, 44889), (14963, 43068), (15132, 42587), (21534, 29926)]