72157928

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{7919}}^1$

素因数の和:8009

約数の個数: 32

約数和(自身を含む): 145411200

約数和(自身を除く): 73253272

約数列:

[1, 2, 4, 8, 17, 34, 67, 68, 134, 136, 268, 536, 1139, 2278, 4556, 7919, 9112, 15838, 31676, 63352, 134623, 269246, 530573, 538492, 1061146, 1076984, 2122292, 4244584, 9019741, 18039482, 36078964, 72157928]

約数ペア:

[(1, 72157928), (2, 36078964), (4, 18039482), (8, 9019741), (17, 4244584), (34, 2122292), (67, 1076984), (68, 1061146), (134, 538492), (136, 530573), (268, 269246), (536, 134623), (1139, 63352), (2278, 31676), (4556, 15838), (7919, 9112)]