820037556

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{42737}}^1$

素因数の和:42801

約数の個数: 72

約数和(自身を含む): 2286824904

約数和(自身を除く): 1466787348

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 41, 52, 78, 82, 117, 123, 156, 164, 234, 246, 369, 468, 492, 533, 738, 1066, 1476, 1599, 2132, 3198, 4797, 6396, 9594, 19188, 42737, 85474, 128211, 170948, 256422, 384633, 512844, 555581, 769266, 1111162, 1538532, 1666743, 1752217, 2222324, 3333486, 3504434, 5000229, 5256651, 6666972, 7008868, 10000458, 10513302, 15769953, 20000916, 21026604, 22778821, 31539906, 45557642, 63079812, 68336463, 91115284, 136672926, 205009389, 273345852, 410018778, 820037556]

約数ペア:

[(1, 820037556), (2, 410018778), (3, 273345852), (4, 205009389), (6, 136672926), (9, 91115284), (12, 68336463), (13, 63079812), (18, 45557642), (26, 31539906), (36, 22778821), (39, 21026604), (41, 20000916), (52, 15769953), (78, 10513302), (82, 10000458), (117, 7008868), (123, 6666972), (156, 5256651), (164, 5000229), (234, 3504434), (246, 3333486), (369, 2222324), (468, 1752217), (492, 1666743), (533, 1538532), (738, 1111162), (1066, 769266), (1476, 555581), (1599, 512844), (2132, 384633), (3198, 256422), (4797, 170948), (6396, 128211), (9594, 85474), (19188, 42737)]