71220212

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{397}}^1$

素因数の和:600

約数の個数: 48

約数和(自身を含む): 147100800

約数和(自身を除く): 75880588

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 149, 172, 298, 301, 397, 596, 602, 794, 1043, 1204, 1588, 2086, 2779, 4172, 5558, 6407, 11116, 12814, 17071, 25628, 34142, 44849, 59153, 68284, 89698, 118306, 119497, 179396, 236612, 238994, 414071, 477988, 828142, 1656284, 2543579, 5087158, 10174316, 17805053, 35610106, 71220212]

約数ペア:

[(1, 71220212), (2, 35610106), (4, 17805053), (7, 10174316), (14, 5087158), (28, 2543579), (43, 1656284), (86, 828142), (149, 477988), (172, 414071), (298, 238994), (301, 236612), (397, 179396), (596, 119497), (602, 118306), (794, 89698), (1043, 68284), (1204, 59153), (1588, 44849), (2086, 34142), (2779, 25628), (4172, 17071), (5558, 12814), (6407, 11116)]