1988079548

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{12791}}^1$

素因数の和:12883

約数の個数: 72

約数和(自身を含む): 4430278944

約数和(自身を除く): 2442199396

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 61, 91, 98, 122, 182, 196, 244, 364, 427, 637, 793, 854, 1274, 1586, 1708, 2548, 2989, 3172, 5551, 5978, 11102, 11956, 12791, 22204, 25582, 38857, 51164, 77714, 89537, 155428, 166283, 179074, 332566, 358148, 626759, 665132, 780251, 1163981, 1253518, 1560502, 2327962, 2507036, 3121004, 4655924, 5461757, 8147867, 10143263, 10923514, 16295734, 20286526, 21847028, 32591468, 38232299, 40573052, 71002841, 76464598, 142005682, 152929196, 284011364, 497019887, 994039774, 1988079548]

約数ペア:

[(1, 1988079548), (2, 994039774), (4, 497019887), (7, 284011364), (13, 152929196), (14, 142005682), (26, 76464598), (28, 71002841), (49, 40573052), (52, 38232299), (61, 32591468), (91, 21847028), (98, 20286526), (122, 16295734), (182, 10923514), (196, 10143263), (244, 8147867), (364, 5461757), (427, 4655924), (637, 3121004), (793, 2507036), (854, 2327962), (1274, 1560502), (1586, 1253518), (1708, 1163981), (2548, 780251), (2989, 665132), (3172, 626759), (5551, 358148), (5978, 332566), (11102, 179074), (11956, 166283), (12791, 155428), (22204, 89537), (25582, 77714), (38857, 51164)]