128440208

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{15061}}^1$

素因数の和:15123

約数の個数: 40

約数和(自身を含む): 274550136

約数和(自身を除く): 146109928

約数列:

[1, 2, 4, 8, 13, 16, 26, 41, 52, 82, 104, 164, 208, 328, 533, 656, 1066, 2132, 4264, 8528, 15061, 30122, 60244, 120488, 195793, 240976, 391586, 617501, 783172, 1235002, 1566344, 2470004, 3132688, 4940008, 8027513, 9880016, 16055026, 32110052, 64220104, 128440208]

約数ペア:

[(1, 128440208), (2, 64220104), (4, 32110052), (8, 16055026), (13, 9880016), (16, 8027513), (26, 4940008), (41, 3132688), (52, 2470004), (82, 1566344), (104, 1235002), (164, 783172), (208, 617501), (328, 391586), (533, 240976), (656, 195793), (1066, 120488), (2132, 60244), (4264, 30122), (8528, 15061)]