87997004

素因数分解:

$2^2\times {\mathrm{199}}^1\times {\mathrm{227}}^1\times {\mathrm{487}}^1$

素因数の和:917

約数の個数: 24

約数和(自身を含む): 155769600

約数和(自身を除く): 67772596

約数列:

[1, 2, 4, 199, 227, 398, 454, 487, 796, 908, 974, 1948, 45173, 90346, 96913, 110549, 180692, 193826, 221098, 387652, 442196, 21999251, 43998502, 87997004]

約数ペア:

[(1, 87997004), (2, 43998502), (4, 21999251), (199, 442196), (227, 387652), (398, 221098), (454, 193826), (487, 180692), (796, 110549), (908, 96913), (974, 90346), (1948, 45173)]