72639736

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{36761}}^1$

素因数の和:36799

約数の個数: 32

約数和(自身を含む): 154400400

約数和(自身を除く): 81760664

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 36761, 73522, 147044, 294088, 477893, 698459, 955786, 1396918, 1911572, 2793836, 3823144, 5587672, 9079967, 18159934, 36319868, 72639736]

約数ペア:

[(1, 72639736), (2, 36319868), (4, 18159934), (8, 9079967), (13, 5587672), (19, 3823144), (26, 2793836), (38, 1911572), (52, 1396918), (76, 955786), (104, 698459), (152, 477893), (247, 294088), (494, 147044), (988, 73522), (1976, 36761)]