254188688

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{64319}}^1$

素因数の和:64359

約数の個数: 40

約数和(自身を含む): 558297600

約数和(自身を除く): 304108912

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 64319, 128638, 257276, 514552, 836147, 1029104, 1222061, 1672294, 2444122, 3344588, 4888244, 6689176, 9776488, 13378352, 15886793, 19552976, 31773586, 63547172, 127094344, 254188688]

約数ペア:

[(1, 254188688), (2, 127094344), (4, 63547172), (8, 31773586), (13, 19552976), (16, 15886793), (19, 13378352), (26, 9776488), (38, 6689176), (52, 4888244), (76, 3344588), (104, 2444122), (152, 1672294), (208, 1222061), (247, 1029104), (304, 836147), (494, 514552), (988, 257276), (1976, 128638), (3952, 64319)]