168207988

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{2791}}^1$

素因数の和:2888

約数の個数: 48

約数和(自身を含む): 339283840

約数和(自身を除く): 171075852

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 61, 76, 122, 244, 247, 494, 793, 988, 1159, 1586, 2318, 2791, 3172, 4636, 5582, 11164, 15067, 30134, 36283, 53029, 60268, 72566, 106058, 145132, 170251, 212116, 340502, 681004, 689377, 1378754, 2213263, 2757508, 3234769, 4426526, 6469538, 8853052, 12939076, 42051997, 84103994, 168207988]

約数ペア:

[(1, 168207988), (2, 84103994), (4, 42051997), (13, 12939076), (19, 8853052), (26, 6469538), (38, 4426526), (52, 3234769), (61, 2757508), (76, 2213263), (122, 1378754), (244, 689377), (247, 681004), (494, 340502), (793, 212116), (988, 170251), (1159, 145132), (1586, 106058), (2318, 72566), (2791, 60268), (3172, 53029), (4636, 36283), (5582, 30134), (11164, 15067)]