207979928

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{105253}}^1$

素因数の和:105291

約数の個数: 32

約数和(自身を含む): 442066800

約数和(自身を除く): 234086872

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 105253, 210506, 421012, 842024, 1368289, 1999807, 2736578, 3999614, 5473156, 7999228, 10946312, 15998456, 25997491, 51994982, 103989964, 207979928]

約数ペア:

[(1, 207979928), (2, 103989964), (4, 51994982), (8, 25997491), (13, 15998456), (19, 10946312), (26, 7999228), (38, 5473156), (52, 3999614), (76, 2736578), (104, 1999807), (152, 1368289), (247, 842024), (494, 421012), (988, 210506), (1976, 105253)]