156620478

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{2221}}^1$

素因数の和:2329

約数の個数: 64

約数和(自身を含む): 378842112

約数和(自身を除く): 222221634

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 69, 73, 138, 146, 161, 219, 322, 438, 483, 511, 966, 1022, 1533, 1679, 2221, 3066, 3358, 4442, 5037, 6663, 10074, 11753, 13326, 15547, 23506, 31094, 35259, 46641, 51083, 70518, 93282, 102166, 153249, 162133, 306498, 324266, 357581, 486399, 715162, 972798, 1072743, 1134931, 2145486, 2269862, 3404793, 3729059, 6809586, 7458118, 11187177, 22374354, 26103413, 52206826, 78310239, 156620478]

約数ペア:

[(1, 156620478), (2, 78310239), (3, 52206826), (6, 26103413), (7, 22374354), (14, 11187177), (21, 7458118), (23, 6809586), (42, 3729059), (46, 3404793), (69, 2269862), (73, 2145486), (138, 1134931), (146, 1072743), (161, 972798), (219, 715162), (322, 486399), (438, 357581), (483, 324266), (511, 306498), (966, 162133), (1022, 153249), (1533, 102166), (1679, 93282), (2221, 70518), (3066, 51083), (3358, 46641), (4442, 35259), (5037, 31094), (6663, 23506), (10074, 15547), (11753, 13326)]