311987844

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{39937}}^1$

素因数の和:39985

約数の個数: 72

約数和(自身を含む): 930395648

約数和(自身を除く): 618407804

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 62, 63, 84, 93, 124, 126, 186, 217, 252, 279, 372, 434, 558, 651, 868, 1116, 1302, 1953, 2604, 3906, 7812, 39937, 79874, 119811, 159748, 239622, 279559, 359433, 479244, 559118, 718866, 838677, 1118236, 1238047, 1437732, 1677354, 2476094, 2516031, 3354708, 3714141, 4952188, 5032062, 7428282, 8666329, 10064124, 11142423, 14856564, 17332658, 22284846, 25998987, 34665316, 44569692, 51997974, 77996961, 103995948, 155993922, 311987844]

約数ペア:

[(1, 311987844), (2, 155993922), (3, 103995948), (4, 77996961), (6, 51997974), (7, 44569692), (9, 34665316), (12, 25998987), (14, 22284846), (18, 17332658), (21, 14856564), (28, 11142423), (31, 10064124), (36, 8666329), (42, 7428282), (62, 5032062), (63, 4952188), (84, 3714141), (93, 3354708), (124, 2516031), (126, 2476094), (186, 1677354), (217, 1437732), (252, 1238047), (279, 1118236), (372, 838677), (434, 718866), (558, 559118), (651, 479244), (868, 359433), (1116, 279559), (1302, 239622), (1953, 159748), (2604, 119811), (3906, 79874), (7812, 39937)]