201220578

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:249

約数の個数: 128

約数和(自身を含む): 506634240

約数和(自身を除く): 305413662

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 37, 39, 54, 61, 74, 78, 111, 117, 122, 127, 183, 222, 234, 254, 333, 351, 366, 381, 481, 549, 666, 702, 762, 793, 962, 999, 1098, 1143, 1443, 1586, 1647, 1651, 1998, 2257, 2286, 2379, 2886, 3294, 3302, 3429, 4329, 4514, 4699, 4758, 4953, 6771, 6858, 7137, 7747, 8658, 9398, 9906, 12987, 13542, 14097, 14274, 14859, 15494, 20313, 21411, 23241, 25974, 28194, 29341, 29718, 40626, 42291, 42822, 44577, 46482, 58682, 60939, 61087, 69723, 84582, 88023, 89154, 100711, 121878, 122174, 126873, 139446, 176046, 183261, 201422, 209169, 253746, 264069, 286639, 302133, 366522, 418338, 528138, 549783, 573278, 604266, 792207, 859917, 906399, 1099566, 1584414, 1649349, 1719834, 1812798, 2579751, 2719197, 3298698, 3726307, 5159502, 5438394, 7452614, 7739253, 11178921, 15478506, 22357842, 33536763, 67073526, 100610289, 201220578]

約数ペア:

[(1, 201220578), (2, 100610289), (3, 67073526), (6, 33536763), (9, 22357842), (13, 15478506), (18, 11178921), (26, 7739253), (27, 7452614), (37, 5438394), (39, 5159502), (54, 3726307), (61, 3298698), (74, 2719197), (78, 2579751), (111, 1812798), (117, 1719834), (122, 1649349), (127, 1584414), (183, 1099566), (222, 906399), (234, 859917), (254, 792207), (333, 604266), (351, 573278), (366, 549783), (381, 528138), (481, 418338), (549, 366522), (666, 302133), (702, 286639), (762, 264069), (793, 253746), (962, 209169), (999, 201422), (1098, 183261), (1143, 176046), (1443, 139446), (1586, 126873), (1647, 122174), (1651, 121878), (1998, 100711), (2257, 89154), (2286, 88023), (2379, 84582), (2886, 69723), (3294, 61087), (3302, 60939), (3429, 58682), (4329, 46482), (4514, 44577), (4699, 42822), (4758, 42291), (4953, 40626), (6771, 29718), (6858, 29341), (7137, 28194), (7747, 25974), (8658, 23241), (9398, 21411), (9906, 20313), (12987, 15494), (13542, 14859), (14097, 14274)]