2561112

素因数分解:

$2^3\times 3^3\times {\mathrm{71}}^1\times {\mathrm{167}}^1$

素因数の和:253

約数の個数: 64

約数和(自身を含む): 7257600

約数和(自身を除く): 4696488

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 71, 72, 108, 142, 167, 213, 216, 284, 334, 426, 501, 568, 639, 668, 852, 1002, 1278, 1336, 1503, 1704, 1917, 2004, 2556, 3006, 3834, 4008, 4509, 5112, 6012, 7668, 9018, 11857, 12024, 15336, 18036, 23714, 35571, 36072, 47428, 71142, 94856, 106713, 142284, 213426, 284568, 320139, 426852, 640278, 853704, 1280556, 2561112]

約数ペア:

[(1, 2561112), (2, 1280556), (3, 853704), (4, 640278), (6, 426852), (8, 320139), (9, 284568), (12, 213426), (18, 142284), (24, 106713), (27, 94856), (36, 71142), (54, 47428), (71, 36072), (72, 35571), (108, 23714), (142, 18036), (167, 15336), (213, 12024), (216, 11857), (284, 9018), (334, 7668), (426, 6012), (501, 5112), (568, 4509), (639, 4008), (668, 3834), (852, 3006), (1002, 2556), (1278, 2004), (1336, 1917), (1503, 1704)]