678132378

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{5261}}^1$

素因数の和:5321

約数の個数: 128

約数和(自身を含む): 1939783680

約数和(自身を除く): 1261651302

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 27, 31, 33, 42, 54, 62, 63, 66, 77, 93, 99, 126, 154, 186, 189, 198, 217, 231, 279, 297, 341, 378, 434, 462, 558, 594, 651, 682, 693, 837, 1023, 1302, 1386, 1674, 1953, 2046, 2079, 2387, 3069, 3906, 4158, 4774, 5261, 5859, 6138, 7161, 9207, 10522, 11718, 14322, 15783, 18414, 21483, 31566, 36827, 42966, 47349, 57871, 64449, 73654, 94698, 110481, 115742, 128898, 142047, 163091, 173613, 220962, 284094, 326182, 331443, 347226, 405097, 489273, 520839, 662886, 810194, 978546, 994329, 1041678, 1141637, 1215291, 1467819, 1562517, 1794001, 1988658, 2283274, 2430582, 2935638, 3125034, 3424911, 3588002, 3645873, 4403457, 5382003, 6849822, 7291746, 8806914, 10274733, 10764006, 10937619, 12558007, 16146009, 20549466, 21875238, 25116014, 30824199, 32292018, 37674021, 48438027, 61648398, 75348042, 96876054, 113022063, 226044126, 339066189, 678132378]

約数ペア:

[(1, 678132378), (2, 339066189), (3, 226044126), (6, 113022063), (7, 96876054), (9, 75348042), (11, 61648398), (14, 48438027), (18, 37674021), (21, 32292018), (22, 30824199), (27, 25116014), (31, 21875238), (33, 20549466), (42, 16146009), (54, 12558007), (62, 10937619), (63, 10764006), (66, 10274733), (77, 8806914), (93, 7291746), (99, 6849822), (126, 5382003), (154, 4403457), (186, 3645873), (189, 3588002), (198, 3424911), (217, 3125034), (231, 2935638), (279, 2430582), (297, 2283274), (341, 1988658), (378, 1794001), (434, 1562517), (462, 1467819), (558, 1215291), (594, 1141637), (651, 1041678), (682, 994329), (693, 978546), (837, 810194), (1023, 662886), (1302, 520839), (1386, 489273), (1674, 405097), (1953, 347226), (2046, 331443), (2079, 326182), (2387, 284094), (3069, 220962), (3906, 173613), (4158, 163091), (4774, 142047), (5261, 128898), (5859, 115742), (6138, 110481), (7161, 94698), (9207, 73654), (10522, 64449), (11718, 57871), (14322, 47349), (15783, 42966), (18414, 36827), (21483, 31566)]