71969872

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{18211}}^1$

素因数の和:18251

約数の個数: 40

約数和(自身を含む): 158080160

約数和(自身を除く): 86110288

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 18211, 36422, 72844, 145688, 236743, 291376, 346009, 473486, 692018, 946972, 1384036, 1893944, 2768072, 3787888, 4498117, 5536144, 8996234, 17992468, 35984936, 71969872]

約数ペア:

[(1, 71969872), (2, 35984936), (4, 17992468), (8, 8996234), (13, 5536144), (16, 4498117), (19, 3787888), (26, 2768072), (38, 1893944), (52, 1384036), (76, 946972), (104, 692018), (152, 473486), (208, 346009), (247, 291376), (304, 236743), (494, 145688), (988, 72844), (1976, 36422), (3952, 18211)]