313838668

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1609}}^1$

素因数の和:1679

約数の個数: 72

約数和(自身を含む): 671511680

約数和(自身を除く): 357673012

約数列:

[1, 2, 4, 11, 13, 22, 26, 31, 44, 52, 62, 121, 124, 143, 242, 286, 341, 403, 484, 572, 682, 806, 1364, 1573, 1609, 1612, 3146, 3218, 3751, 4433, 6292, 6436, 7502, 8866, 15004, 17699, 17732, 20917, 35398, 41834, 48763, 49879, 70796, 83668, 97526, 99758, 194689, 195052, 199516, 230087, 389378, 460174, 548669, 648427, 778756, 920348, 1097338, 1296854, 2194676, 2530957, 2593708, 5061914, 6035359, 7132697, 10123828, 12070718, 14265394, 24141436, 28530788, 78459667, 156919334, 313838668]

約数ペア:

[(1, 313838668), (2, 156919334), (4, 78459667), (11, 28530788), (13, 24141436), (22, 14265394), (26, 12070718), (31, 10123828), (44, 7132697), (52, 6035359), (62, 5061914), (121, 2593708), (124, 2530957), (143, 2194676), (242, 1296854), (286, 1097338), (341, 920348), (403, 778756), (484, 648427), (572, 548669), (682, 460174), (806, 389378), (1364, 230087), (1573, 199516), (1609, 195052), (1612, 194689), (3146, 99758), (3218, 97526), (3751, 83668), (4433, 70796), (6292, 49879), (6436, 48763), (7502, 41834), (8866, 35398), (15004, 20917), (17699, 17732)]