81803778

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4457}}^1$

素因数の和:4511

約数の個数: 64

約数和(自身を含む): 205424640

約数和(自身を除く): 123620862

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 23, 38, 42, 46, 57, 69, 114, 133, 138, 161, 266, 322, 399, 437, 483, 798, 874, 966, 1311, 2622, 3059, 4457, 6118, 8914, 9177, 13371, 18354, 26742, 31199, 62398, 84683, 93597, 102511, 169366, 187194, 205022, 254049, 307533, 508098, 592781, 615066, 717577, 1185562, 1435154, 1778343, 1947709, 2152731, 3556686, 3895418, 4305462, 5843127, 11686254, 13633963, 27267926, 40901889, 81803778]

約数ペア:

[(1, 81803778), (2, 40901889), (3, 27267926), (6, 13633963), (7, 11686254), (14, 5843127), (19, 4305462), (21, 3895418), (23, 3556686), (38, 2152731), (42, 1947709), (46, 1778343), (57, 1435154), (69, 1185562), (114, 717577), (133, 615066), (138, 592781), (161, 508098), (266, 307533), (322, 254049), (399, 205022), (437, 187194), (483, 169366), (798, 102511), (874, 93597), (966, 84683), (1311, 62398), (2622, 31199), (3059, 26742), (4457, 18354), (6118, 13371), (8914, 9177)]