1998802008

素因数分解:

$2^3\times 3^4\times 7^1\times {\mathrm{440653}}^1$

素因数の和:440678

約数の個数: 80

約数和(自身を含む): 6398296080

約数和(自身を除く): 4399494072

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 81, 84, 108, 126, 162, 168, 189, 216, 252, 324, 378, 504, 567, 648, 756, 1134, 1512, 2268, 4536, 440653, 881306, 1321959, 1762612, 2643918, 3084571, 3525224, 3965877, 5287836, 6169142, 7931754, 9253713, 10575672, 11897631, 12338284, 15863508, 18507426, 23795262, 24676568, 27761139, 31727016, 35692893, 37014852, 47590524, 55522278, 71385786, 74029704, 83283417, 95181048, 111044556, 142771572, 166566834, 222089112, 249850251, 285543144, 333133668, 499700502, 666267336, 999401004, 1998802008]

約数ペア:

[(1, 1998802008), (2, 999401004), (3, 666267336), (4, 499700502), (6, 333133668), (7, 285543144), (8, 249850251), (9, 222089112), (12, 166566834), (14, 142771572), (18, 111044556), (21, 95181048), (24, 83283417), (27, 74029704), (28, 71385786), (36, 55522278), (42, 47590524), (54, 37014852), (56, 35692893), (63, 31727016), (72, 27761139), (81, 24676568), (84, 23795262), (108, 18507426), (126, 15863508), (162, 12338284), (168, 11897631), (189, 10575672), (216, 9253713), (252, 7931754), (324, 6169142), (378, 5287836), (504, 3965877), (567, 3525224), (648, 3084571), (756, 2643918), (1134, 1762612), (1512, 1321959), (2268, 881306), (4536, 440653)]