407056

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1$

素因数の和:143

約数の個数: 40

約数和(自身を含む): 902720

約数和(自身を除く): 495664

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 103, 104, 152, 206, 208, 247, 304, 412, 494, 824, 988, 1339, 1648, 1957, 1976, 2678, 3914, 3952, 5356, 7828, 10712, 15656, 21424, 25441, 31312, 50882, 101764, 203528, 407056]

約数ペア:

[(1, 407056), (2, 203528), (4, 101764), (8, 50882), (13, 31312), (16, 25441), (19, 21424), (26, 15656), (38, 10712), (52, 7828), (76, 5356), (103, 3952), (104, 3914), (152, 2678), (206, 1976), (208, 1957), (247, 1648), (304, 1339), (412, 988), (494, 824)]