28986490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{761}}^1$

素因数の和:1074

約数の個数: 32

約数和(自身を含む): 56455056

約数和(自身を除く): 27468566

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 293, 586, 761, 1465, 1522, 2930, 3805, 3809, 7610, 7618, 9893, 19045, 19786, 38090, 49465, 98930, 222973, 445946, 1114865, 2229730, 2898649, 5797298, 14493245, 28986490]

約数ペア:

[(1, 28986490), (2, 14493245), (5, 5797298), (10, 2898649), (13, 2229730), (26, 1114865), (65, 445946), (130, 222973), (293, 98930), (586, 49465), (761, 38090), (1465, 19786), (1522, 19045), (2930, 9893), (3805, 7618), (3809, 7610)]