640997646

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{887}}^1\times {\mathrm{2801}}^1$

素因数の和:3736

約数の個数: 32

約数和(自身を含む): 1313756928

約数和(自身を除く): 672759282

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 887, 1774, 2661, 2801, 5322, 5602, 8403, 16806, 38141, 76282, 114423, 120443, 228846, 240886, 361329, 722658, 2484487, 4968974, 7453461, 14906922, 106832941, 213665882, 320498823, 640997646]

約数ペア:

[(1, 640997646), (2, 320498823), (3, 213665882), (6, 106832941), (43, 14906922), (86, 7453461), (129, 4968974), (258, 2484487), (887, 722658), (1774, 361329), (2661, 240886), (2801, 228846), (5322, 120443), (5602, 114423), (8403, 76282), (16806, 38141)]