131213784

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{420557}}^1$

素因数の和:420579

約数の個数: 32

約数和(自身を含む): 353268720

約数和(自身を除く): 222054936

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 420557, 841114, 1261671, 1682228, 2523342, 3364456, 5046684, 5467241, 10093368, 10934482, 16401723, 21868964, 32803446, 43737928, 65606892, 131213784]

約数ペア:

[(1, 131213784), (2, 65606892), (3, 43737928), (4, 32803446), (6, 21868964), (8, 16401723), (12, 10934482), (13, 10093368), (24, 5467241), (26, 5046684), (39, 3364456), (52, 2523342), (78, 1682228), (104, 1261671), (156, 841114), (312, 420557)]