31451264

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{461}}^1$

素因数の和:529

約数の個数: 64

約数和(自身を含む): 69272280

約数和(自身を除く): 37821016

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 41, 52, 64, 82, 104, 128, 164, 208, 328, 416, 461, 533, 656, 832, 922, 1066, 1312, 1664, 1844, 2132, 2624, 3688, 4264, 5248, 5993, 7376, 8528, 11986, 14752, 17056, 18901, 23972, 29504, 34112, 37802, 47944, 59008, 68224, 75604, 95888, 151208, 191776, 245713, 302416, 383552, 491426, 604832, 767104, 982852, 1209664, 1965704, 2419328, 3931408, 7862816, 15725632, 31451264]

約数ペア:

[(1, 31451264), (2, 15725632), (4, 7862816), (8, 3931408), (13, 2419328), (16, 1965704), (26, 1209664), (32, 982852), (41, 767104), (52, 604832), (64, 491426), (82, 383552), (104, 302416), (128, 245713), (164, 191776), (208, 151208), (328, 95888), (416, 75604), (461, 68224), (533, 59008), (656, 47944), (832, 37802), (922, 34112), (1066, 29504), (1312, 23972), (1664, 18901), (1844, 17056), (2132, 14752), (2624, 11986), (3688, 8528), (4264, 7376), (5248, 5993)]