281318436

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{7393}}^1$

素因数の和:7561

約数の個数: 72

約数和(自身を含む): 818190464

約数和(自身を除く): 536872028

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 151, 252, 302, 453, 604, 906, 1057, 1359, 1812, 2114, 2718, 3171, 4228, 5436, 6342, 7393, 9513, 12684, 14786, 19026, 22179, 29572, 38052, 44358, 51751, 66537, 88716, 103502, 133074, 155253, 207004, 266148, 310506, 465759, 621012, 931518, 1116343, 1863036, 2232686, 3349029, 4465372, 6698058, 7814401, 10047087, 13396116, 15628802, 20094174, 23443203, 31257604, 40188348, 46886406, 70329609, 93772812, 140659218, 281318436]

約数ペア:

[(1, 281318436), (2, 140659218), (3, 93772812), (4, 70329609), (6, 46886406), (7, 40188348), (9, 31257604), (12, 23443203), (14, 20094174), (18, 15628802), (21, 13396116), (28, 10047087), (36, 7814401), (42, 6698058), (63, 4465372), (84, 3349029), (126, 2232686), (151, 1863036), (252, 1116343), (302, 931518), (453, 621012), (604, 465759), (906, 310506), (1057, 266148), (1359, 207004), (1812, 155253), (2114, 133074), (2718, 103502), (3171, 88716), (4228, 66537), (5436, 51751), (6342, 44358), (7393, 38052), (9513, 29572), (12684, 22179), (14786, 19026)]