278323458

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{1289}}^1$

素因数の和:1451

約数の個数: 64

約数和(自身を含む): 655361280

約数和(自身を除く): 377037822

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 53, 97, 106, 159, 194, 291, 318, 371, 582, 679, 742, 1113, 1289, 1358, 2037, 2226, 2578, 3867, 4074, 5141, 7734, 9023, 10282, 15423, 18046, 27069, 30846, 35987, 54138, 68317, 71974, 107961, 125033, 136634, 204951, 215922, 250066, 375099, 409902, 478219, 750198, 875231, 956438, 1434657, 1750462, 2625693, 2869314, 5251386, 6626749, 13253498, 19880247, 39760494, 46387243, 92774486, 139161729, 278323458]

約数ペア:

[(1, 278323458), (2, 139161729), (3, 92774486), (6, 46387243), (7, 39760494), (14, 19880247), (21, 13253498), (42, 6626749), (53, 5251386), (97, 2869314), (106, 2625693), (159, 1750462), (194, 1434657), (291, 956438), (318, 875231), (371, 750198), (582, 478219), (679, 409902), (742, 375099), (1113, 250066), (1289, 215922), (1358, 204951), (2037, 136634), (2226, 125033), (2578, 107961), (3867, 71974), (4074, 68317), (5141, 54138), (7734, 35987), (9023, 30846), (10282, 27069), (15423, 18046)]