2756988

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:203

約数の個数: 72

約数和(自身を含む): 7735728

約数和(自身を除く): 4978740

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 43, 52, 78, 86, 117, 129, 137, 156, 172, 234, 258, 274, 387, 411, 468, 516, 548, 559, 774, 822, 1118, 1233, 1548, 1644, 1677, 1781, 2236, 2466, 3354, 3562, 4932, 5031, 5343, 5891, 6708, 7124, 10062, 10686, 11782, 16029, 17673, 20124, 21372, 23564, 32058, 35346, 53019, 64116, 70692, 76583, 106038, 153166, 212076, 229749, 306332, 459498, 689247, 918996, 1378494, 2756988]

約数ペア:

[(1, 2756988), (2, 1378494), (3, 918996), (4, 689247), (6, 459498), (9, 306332), (12, 229749), (13, 212076), (18, 153166), (26, 106038), (36, 76583), (39, 70692), (43, 64116), (52, 53019), (78, 35346), (86, 32058), (117, 23564), (129, 21372), (137, 20124), (156, 17673), (172, 16029), (234, 11782), (258, 10686), (274, 10062), (387, 7124), (411, 6708), (468, 5891), (516, 5343), (548, 5031), (559, 4932), (774, 3562), (822, 3354), (1118, 2466), (1233, 2236), (1548, 1781), (1644, 1677)]