397004848

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{409}}^1$

素因数の和:570

約数の個数: 80

約数和(自身を含む): 845977600

約数和(自身を除く): 448972752

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 62, 76, 103, 124, 152, 206, 248, 304, 409, 412, 496, 589, 818, 824, 1178, 1636, 1648, 1957, 2356, 3193, 3272, 3914, 4712, 6386, 6544, 7771, 7828, 9424, 12679, 12772, 15542, 15656, 25358, 25544, 31084, 31312, 42127, 50716, 51088, 60667, 62168, 84254, 101432, 121334, 124336, 168508, 202864, 240901, 242668, 337016, 481802, 485336, 674032, 800413, 963604, 970672, 1305937, 1600826, 1927208, 2611874, 3201652, 3854416, 5223748, 6403304, 10447496, 12806608, 20894992, 24812803, 49625606, 99251212, 198502424, 397004848]

約数ペア:

[(1, 397004848), (2, 198502424), (4, 99251212), (8, 49625606), (16, 24812803), (19, 20894992), (31, 12806608), (38, 10447496), (62, 6403304), (76, 5223748), (103, 3854416), (124, 3201652), (152, 2611874), (206, 1927208), (248, 1600826), (304, 1305937), (409, 970672), (412, 963604), (496, 800413), (589, 674032), (818, 485336), (824, 481802), (1178, 337016), (1636, 242668), (1648, 240901), (1957, 202864), (2356, 168508), (3193, 124336), (3272, 121334), (3914, 101432), (4712, 84254), (6386, 62168), (6544, 60667), (7771, 51088), (7828, 50716), (9424, 42127), (12679, 31312), (12772, 31084), (15542, 25544), (15656, 25358)]