665632

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:113

約数の個数: 48

約数和(自身を含む): 1499904

約数和(自身を除く): 834272

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 44, 61, 62, 88, 122, 124, 176, 244, 248, 341, 352, 488, 496, 671, 682, 976, 992, 1342, 1364, 1891, 1952, 2684, 2728, 3782, 5368, 5456, 7564, 10736, 10912, 15128, 20801, 21472, 30256, 41602, 60512, 83204, 166408, 332816, 665632]

約数ペア:

[(1, 665632), (2, 332816), (4, 166408), (8, 83204), (11, 60512), (16, 41602), (22, 30256), (31, 21472), (32, 20801), (44, 15128), (61, 10912), (62, 10736), (88, 7564), (122, 5456), (124, 5368), (176, 3782), (244, 2728), (248, 2684), (341, 1952), (352, 1891), (488, 1364), (496, 1342), (671, 992), (682, 976)]