1990657942

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{17389}}^1$

素因数の和:17465

約数の個数: 64

約数和(自身を含む): 3996639360

約数和(自身を除く): 2005981418

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 37, 74, 91, 119, 182, 221, 238, 259, 442, 481, 518, 629, 962, 1258, 1547, 3094, 3367, 4403, 6734, 8177, 8806, 16354, 17389, 34778, 57239, 114478, 121723, 226057, 243446, 295613, 452114, 591226, 643393, 1286786, 1582399, 2069291, 3164798, 3842969, 4138582, 4503751, 7685938, 8364109, 9007502, 10937681, 16728218, 21875362, 26900783, 53801566, 58548763, 76563767, 117097526, 142189853, 153127534, 284379706, 995328971, 1990657942]

約数ペア:

[(1, 1990657942), (2, 995328971), (7, 284379706), (13, 153127534), (14, 142189853), (17, 117097526), (26, 76563767), (34, 58548763), (37, 53801566), (74, 26900783), (91, 21875362), (119, 16728218), (182, 10937681), (221, 9007502), (238, 8364109), (259, 7685938), (442, 4503751), (481, 4138582), (518, 3842969), (629, 3164798), (962, 2069291), (1258, 1582399), (1547, 1286786), (3094, 643393), (3367, 591226), (4403, 452114), (6734, 295613), (8177, 243446), (8806, 226057), (16354, 121723), (17389, 114478), (34778, 57239)]