397996876

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{3119}}^1$

素因数の和:3238

約数の個数: 48

約数和(自身を含む): 775756800

約数和(自身を除く): 377759924

約数列:

[1, 2, 4, 19, 23, 38, 46, 73, 76, 92, 146, 292, 437, 874, 1387, 1679, 1748, 2774, 3119, 3358, 5548, 6238, 6716, 12476, 31901, 59261, 63802, 71737, 118522, 127604, 143474, 227687, 237044, 286948, 455374, 910748, 1363003, 2726006, 4326053, 5236801, 5452012, 8652106, 10473602, 17304212, 20947204, 99499219, 198998438, 397996876]

約数ペア:

[(1, 397996876), (2, 198998438), (4, 99499219), (19, 20947204), (23, 17304212), (38, 10473602), (46, 8652106), (73, 5452012), (76, 5236801), (92, 4326053), (146, 2726006), (292, 1363003), (437, 910748), (874, 455374), (1387, 286948), (1679, 237044), (1748, 227687), (2774, 143474), (3119, 127604), (3358, 118522), (5548, 71737), (6238, 63802), (6716, 59261), (12476, 31901)]