78704964

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3911}}^1$

素因数の和:3977

約数の個数: 72

約数和(自身を含む): 219291072

約数和(自身を除く): 140586108

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 43, 52, 78, 86, 117, 129, 156, 172, 234, 258, 387, 468, 516, 559, 774, 1118, 1548, 1677, 2236, 3354, 3911, 5031, 6708, 7822, 10062, 11733, 15644, 20124, 23466, 35199, 46932, 50843, 70398, 101686, 140796, 152529, 168173, 203372, 305058, 336346, 457587, 504519, 610116, 672692, 915174, 1009038, 1513557, 1830348, 2018076, 2186249, 3027114, 4372498, 6054228, 6558747, 8744996, 13117494, 19676241, 26234988, 39352482, 78704964]

約数ペア:

[(1, 78704964), (2, 39352482), (3, 26234988), (4, 19676241), (6, 13117494), (9, 8744996), (12, 6558747), (13, 6054228), (18, 4372498), (26, 3027114), (36, 2186249), (39, 2018076), (43, 1830348), (52, 1513557), (78, 1009038), (86, 915174), (117, 672692), (129, 610116), (156, 504519), (172, 457587), (234, 336346), (258, 305058), (387, 203372), (468, 168173), (516, 152529), (559, 140796), (774, 101686), (1118, 70398), (1548, 50843), (1677, 46932), (2236, 35199), (3354, 23466), (3911, 20124), (5031, 15644), (6708, 11733), (7822, 10062)]