648441872

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{773}}^1$

素因数の和:940

約数の個数: 80

約数和(自身を含む): 1404128880

約数和(自身を除く): 755687008

約数列:

[1, 2, 4, 8, 13, 16, 26, 37, 52, 74, 104, 109, 148, 208, 218, 296, 436, 481, 592, 773, 872, 962, 1417, 1546, 1744, 1924, 2834, 3092, 3848, 4033, 5668, 6184, 7696, 8066, 10049, 11336, 12368, 16132, 20098, 22672, 28601, 32264, 40196, 52429, 57202, 64528, 80392, 84257, 104858, 114404, 160784, 168514, 209716, 228808, 337028, 371813, 419432, 457616, 674056, 743626, 838864, 1095341, 1348112, 1487252, 2190682, 2974504, 3117509, 4381364, 5949008, 6235018, 8762728, 12470036, 17525456, 24940072, 40527617, 49880144, 81055234, 162110468, 324220936, 648441872]

約数ペア:

[(1, 648441872), (2, 324220936), (4, 162110468), (8, 81055234), (13, 49880144), (16, 40527617), (26, 24940072), (37, 17525456), (52, 12470036), (74, 8762728), (104, 6235018), (109, 5949008), (148, 4381364), (208, 3117509), (218, 2974504), (296, 2190682), (436, 1487252), (481, 1348112), (592, 1095341), (773, 838864), (872, 743626), (962, 674056), (1417, 457616), (1546, 419432), (1744, 371813), (1924, 337028), (2834, 228808), (3092, 209716), (3848, 168514), (4033, 160784), (5668, 114404), (6184, 104858), (7696, 84257), (8066, 80392), (10049, 64528), (11336, 57202), (12368, 52429), (16132, 40196), (20098, 32264), (22672, 28601)]