157423084

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1993}}^1$

素因数の和:2055

約数の個数: 72

約数和(自身を含む): 356431488

約数和(自身を除く): 199008404

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 49, 52, 62, 91, 98, 124, 182, 196, 217, 364, 403, 434, 637, 806, 868, 1274, 1519, 1612, 1993, 2548, 2821, 3038, 3986, 5642, 6076, 7972, 11284, 13951, 19747, 25909, 27902, 39494, 51818, 55804, 61783, 78988, 97657, 103636, 123566, 181363, 195314, 247132, 362726, 390628, 432481, 725452, 803179, 864962, 1269541, 1606358, 1729924, 2539082, 3027367, 3212716, 5078164, 5622253, 6054734, 11244506, 12109468, 22489012, 39355771, 78711542, 157423084]

約数ペア:

[(1, 157423084), (2, 78711542), (4, 39355771), (7, 22489012), (13, 12109468), (14, 11244506), (26, 6054734), (28, 5622253), (31, 5078164), (49, 3212716), (52, 3027367), (62, 2539082), (91, 1729924), (98, 1606358), (124, 1269541), (182, 864962), (196, 803179), (217, 725452), (364, 432481), (403, 390628), (434, 362726), (637, 247132), (806, 195314), (868, 181363), (1274, 123566), (1519, 103636), (1612, 97657), (1993, 78988), (2548, 61783), (2821, 55804), (3038, 51818), (3986, 39494), (5642, 27902), (6076, 25909), (7972, 19747), (11284, 13951)]