1989416

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:114

約数の個数: 64

約数和(自身を含む): 4596480

約数和(自身を除く): 2607064

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 37, 44, 47, 52, 74, 88, 94, 104, 143, 148, 188, 286, 296, 376, 407, 481, 517, 572, 611, 814, 962, 1034, 1144, 1222, 1628, 1739, 1924, 2068, 2444, 3256, 3478, 3848, 4136, 4888, 5291, 6721, 6956, 10582, 13442, 13912, 19129, 21164, 22607, 26884, 38258, 42328, 45214, 53768, 76516, 90428, 153032, 180856, 248677, 497354, 994708, 1989416]

約数ペア:

[(1, 1989416), (2, 994708), (4, 497354), (8, 248677), (11, 180856), (13, 153032), (22, 90428), (26, 76516), (37, 53768), (44, 45214), (47, 42328), (52, 38258), (74, 26884), (88, 22607), (94, 21164), (104, 19129), (143, 13912), (148, 13442), (188, 10582), (286, 6956), (296, 6721), (376, 5291), (407, 4888), (481, 4136), (517, 3848), (572, 3478), (611, 3256), (814, 2444), (962, 2068), (1034, 1924), (1144, 1739), (1222, 1628)]