8021988

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{281}}^1$

素因数の和:365

約数の個数: 72

約数和(自身を含む): 22274616

約数和(自身を除く): 14252628

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 61, 78, 117, 122, 156, 183, 234, 244, 281, 366, 468, 549, 562, 732, 793, 843, 1098, 1124, 1586, 1686, 2196, 2379, 2529, 3172, 3372, 3653, 4758, 5058, 7137, 7306, 9516, 10116, 10959, 14274, 14612, 17141, 21918, 28548, 32877, 34282, 43836, 51423, 65754, 68564, 102846, 131508, 154269, 205692, 222833, 308538, 445666, 617076, 668499, 891332, 1336998, 2005497, 2673996, 4010994, 8021988]

約数ペア:

[(1, 8021988), (2, 4010994), (3, 2673996), (4, 2005497), (6, 1336998), (9, 891332), (12, 668499), (13, 617076), (18, 445666), (26, 308538), (36, 222833), (39, 205692), (52, 154269), (61, 131508), (78, 102846), (117, 68564), (122, 65754), (156, 51423), (183, 43836), (234, 34282), (244, 32877), (281, 28548), (366, 21918), (468, 17141), (549, 14612), (562, 14274), (732, 10959), (793, 10116), (843, 9516), (1098, 7306), (1124, 7137), (1586, 5058), (1686, 4758), (2196, 3653), (2379, 3372), (2529, 3172)]