778894012

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{257}}^1\times {\mathrm{349}}^1$

素因数の和:790

約数の個数: 48

約数和(自身を含む): 1486699200

約数和(自身を除く): 707805188

約数列:

[1, 2, 4, 13, 26, 52, 167, 257, 334, 349, 514, 668, 698, 1028, 1396, 2171, 3341, 4342, 4537, 6682, 8684, 9074, 13364, 18148, 42919, 58283, 85838, 89693, 116566, 171676, 179386, 233132, 358772, 557947, 757679, 1115894, 1166009, 1515358, 2231788, 2332018, 3030716, 4664036, 14978731, 29957462, 59914924, 194723503, 389447006, 778894012]

約数ペア:

[(1, 778894012), (2, 389447006), (4, 194723503), (13, 59914924), (26, 29957462), (52, 14978731), (167, 4664036), (257, 3030716), (334, 2332018), (349, 2231788), (514, 1515358), (668, 1166009), (698, 1115894), (1028, 757679), (1396, 557947), (2171, 358772), (3341, 233132), (4342, 179386), (4537, 171676), (6682, 116566), (8684, 89693), (9074, 85838), (13364, 58283), (18148, 42919)]