1661341472

素因数分解:

$2^5\times 7^2\times {\mathrm{367}}^1\times {\mathrm{2887}}^1$

素因数の和:3278

約数の個数: 72

約数和(自身を含む): 3816457344

約数和(自身を除く): 2155115872

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 367, 392, 734, 784, 1468, 1568, 2569, 2887, 2936, 5138, 5774, 5872, 10276, 11548, 11744, 17983, 20209, 20552, 23096, 35966, 40418, 41104, 46192, 71932, 80836, 82208, 92384, 141463, 143864, 161672, 282926, 287728, 323344, 565852, 575456, 646688, 1059529, 1131704, 2119058, 2263408, 4238116, 4526816, 7416703, 8476232, 14833406, 16952464, 29666812, 33904928, 51916921, 59333624, 103833842, 118667248, 207667684, 237334496, 415335368, 830670736, 1661341472]

約数ペア:

[(1, 1661341472), (2, 830670736), (4, 415335368), (7, 237334496), (8, 207667684), (14, 118667248), (16, 103833842), (28, 59333624), (32, 51916921), (49, 33904928), (56, 29666812), (98, 16952464), (112, 14833406), (196, 8476232), (224, 7416703), (367, 4526816), (392, 4238116), (734, 2263408), (784, 2119058), (1468, 1131704), (1568, 1059529), (2569, 646688), (2887, 575456), (2936, 565852), (5138, 323344), (5774, 287728), (5872, 282926), (10276, 161672), (11548, 143864), (11744, 141463), (17983, 92384), (20209, 82208), (20552, 80836), (23096, 71932), (35966, 46192), (40418, 41104)]