221989.0000000

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{709}}^1$

素因数の和:759

約数の個数: 48

約数和(自身を含む): 11629800

約数和(自身を除く): 6818526

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 29, 39, 58, 78, 87, 117, 174, 234, 261, 377, 522, 709, 754, 1131, 1418, 2127, 2262, 3393, 4254, 6381, 6786, 9217, 12762, 18434, 20561, 27651, 41122, 55302, 61683, 82953, 123366, 165906, 185049, 267293, 370098, 534586, 801879, 1603758, 2405637, 4811274]

約数ペア:

[(1, 4811274), (2, 2405637), (3, 1603758), (6, 801879), (9, 534586), (13, 370098), (18, 267293), (26, 185049), (29, 165906), (39, 123366), (58, 82953), (78, 61683), (87, 55302), (117, 41122), (174, 27651), (234, 20561), (261, 18434), (377, 12762), (522, 9217), (709, 6786), (754, 6381), (1131, 4254), (1418, 3393), (2127, 2262)]