81404688

素因数分解:

$2^4\times 3^1\times {\mathrm{109}}^1\times {\mathrm{15559}}^1$

素因数の和:15679

約数の個数: 40

約数和(自身を含む): 212238400

約数和(自身を除く): 130833712

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 109, 218, 327, 436, 654, 872, 1308, 1744, 2616, 5232, 15559, 31118, 46677, 62236, 93354, 124472, 186708, 248944, 373416, 746832, 1695931, 3391862, 5087793, 6783724, 10175586, 13567448, 20351172, 27134896, 40702344, 81404688]

約数ペア:

[(1, 81404688), (2, 40702344), (3, 27134896), (4, 20351172), (6, 13567448), (8, 10175586), (12, 6783724), (16, 5087793), (24, 3391862), (48, 1695931), (109, 746832), (218, 373416), (327, 248944), (436, 186708), (654, 124472), (872, 93354), (1308, 62236), (1744, 46677), (2616, 31118), (5232, 15559)]