31613270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:249

約数の個数: 64

約数和(自身を含む): 65197440

約数和(自身を除く): 33584170

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 97, 109, 115, 130, 194, 218, 230, 299, 485, 545, 598, 970, 1090, 1261, 1417, 1495, 2231, 2507, 2522, 2834, 2990, 4462, 5014, 6305, 7085, 10573, 11155, 12535, 12610, 14170, 21146, 22310, 25070, 29003, 32591, 52865, 58006, 65182, 105730, 137449, 145015, 162955, 243179, 274898, 290030, 325910, 486358, 687245, 1215895, 1374490, 2431790, 3161327, 6322654, 15806635, 31613270]

約数ペア:

[(1, 31613270), (2, 15806635), (5, 6322654), (10, 3161327), (13, 2431790), (23, 1374490), (26, 1215895), (46, 687245), (65, 486358), (97, 325910), (109, 290030), (115, 274898), (130, 243179), (194, 162955), (218, 145015), (230, 137449), (299, 105730), (485, 65182), (545, 58006), (598, 52865), (970, 32591), (1090, 29003), (1261, 25070), (1417, 22310), (1495, 21146), (2231, 14170), (2507, 12610), (2522, 12535), (2834, 11155), (2990, 10573), (4462, 7085), (5014, 6305)]