289277128

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{4457}}^1$

素因数の和:4550

約数の個数: 64

約数和(自身を含む): 663350400

約数和(自身を除く): 374073272

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 61, 76, 122, 133, 152, 244, 266, 427, 488, 532, 854, 1064, 1159, 1708, 2318, 3416, 4457, 4636, 8113, 8914, 9272, 16226, 17828, 31199, 32452, 35656, 62398, 64904, 84683, 124796, 169366, 249592, 271877, 338732, 543754, 592781, 677464, 1087508, 1185562, 1903139, 2175016, 2371124, 3806278, 4742248, 5165663, 7612556, 10331326, 15225112, 20662652, 36159641, 41325304, 72319282, 144638564, 289277128]

約数ペア:

[(1, 289277128), (2, 144638564), (4, 72319282), (7, 41325304), (8, 36159641), (14, 20662652), (19, 15225112), (28, 10331326), (38, 7612556), (56, 5165663), (61, 4742248), (76, 3806278), (122, 2371124), (133, 2175016), (152, 1903139), (244, 1185562), (266, 1087508), (427, 677464), (488, 592781), (532, 543754), (854, 338732), (1064, 271877), (1159, 249592), (1708, 169366), (2318, 124796), (3416, 84683), (4457, 64904), (4636, 62398), (8113, 35656), (8914, 32452), (9272, 31199), (16226, 17828)]