655257564

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{32561}}^1$

素因数の和:32627

約数の個数: 72

約数和(自身を含む): 1825295472

約数和(自身を除く): 1170037908

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, 5031, 6708, 10062, 20124, 32561, 65122, 97683, 130244, 195366, 293049, 390732, 423293, 586098, 846586, 1172196, 1269879, 1400123, 1693172, 2539758, 2800246, 3809637, 4200369, 5079516, 5600492, 7619274, 8400738, 12601107, 15238548, 16801476, 18201599, 25202214, 36403198, 50404428, 54604797, 72806396, 109209594, 163814391, 218419188, 327628782, 655257564]

約数ペア:

[(1, 655257564), (2, 327628782), (3, 218419188), (4, 163814391), (6, 109209594), (9, 72806396), (12, 54604797), (13, 50404428), (18, 36403198), (26, 25202214), (36, 18201599), (39, 16801476), (43, 15238548), (52, 12601107), (78, 8400738), (86, 7619274), (117, 5600492), (129, 5079516), (156, 4200369), (172, 3809637), (234, 2800246), (258, 2539758), (387, 1693172), (468, 1400123), (516, 1269879), (559, 1172196), (774, 846586), (1118, 586098), (1548, 423293), (1677, 390732), (2236, 293049), (3354, 195366), (5031, 130244), (6708, 97683), (10062, 65122), (20124, 32561)]