123155188

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{4021}}^1$

素因数の和:4088

約数の個数: 48

約数和(自身を含む): 252259840

約数和(自身を除く): 129104652

約数列:

[1, 2, 4, 13, 19, 26, 31, 38, 52, 62, 76, 124, 247, 403, 494, 589, 806, 988, 1178, 1612, 2356, 4021, 7657, 8042, 15314, 16084, 30628, 52273, 76399, 104546, 124651, 152798, 209092, 249302, 305596, 498604, 993187, 1620463, 1986374, 2368369, 3240926, 3972748, 4736738, 6481852, 9473476, 30788797, 61577594, 123155188]

約数ペア:

[(1, 123155188), (2, 61577594), (4, 30788797), (13, 9473476), (19, 6481852), (26, 4736738), (31, 3972748), (38, 3240926), (52, 2368369), (62, 1986374), (76, 1620463), (124, 993187), (247, 498604), (403, 305596), (494, 249302), (589, 209092), (806, 152798), (988, 124651), (1178, 104546), (1612, 76399), (2356, 52273), (4021, 30628), (7657, 16084), (8042, 15314)]