256494744

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{337}}^1$

素因数の和:422

約数の個数: 144

約数和(自身を含む): 785383560

約数和(自身を除く): 528888816

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 31, 33, 36, 44, 62, 66, 72, 88, 93, 99, 124, 132, 186, 198, 248, 264, 279, 337, 341, 372, 396, 558, 674, 682, 744, 792, 961, 1011, 1023, 1116, 1348, 1364, 1922, 2022, 2046, 2232, 2696, 2728, 2883, 3033, 3069, 3707, 3844, 4044, 4092, 5766, 6066, 6138, 7414, 7688, 8088, 8184, 8649, 10447, 10571, 11121, 11532, 12132, 12276, 14828, 17298, 20894, 21142, 22242, 23064, 24264, 24552, 29656, 31341, 31713, 33363, 34596, 41788, 42284, 44484, 62682, 63426, 66726, 69192, 83576, 84568, 88968, 94023, 95139, 114917, 125364, 126852, 133452, 188046, 190278, 229834, 250728, 253704, 266904, 323857, 344751, 376092, 380556, 459668, 647714, 689502, 752184, 761112, 919336, 971571, 1034253, 1295428, 1379004, 1943142, 2068506, 2590856, 2758008, 2914713, 3562427, 3886284, 4137012, 5829426, 7124854, 7772568, 8274024, 10687281, 11658852, 14249708, 21374562, 23317704, 28499416, 32061843, 42749124, 64123686, 85498248, 128247372, 256494744]

約数ペア:

[(1, 256494744), (2, 128247372), (3, 85498248), (4, 64123686), (6, 42749124), (8, 32061843), (9, 28499416), (11, 23317704), (12, 21374562), (18, 14249708), (22, 11658852), (24, 10687281), (31, 8274024), (33, 7772568), (36, 7124854), (44, 5829426), (62, 4137012), (66, 3886284), (72, 3562427), (88, 2914713), (93, 2758008), (99, 2590856), (124, 2068506), (132, 1943142), (186, 1379004), (198, 1295428), (248, 1034253), (264, 971571), (279, 919336), (337, 761112), (341, 752184), (372, 689502), (396, 647714), (558, 459668), (674, 380556), (682, 376092), (744, 344751), (792, 323857), (961, 266904), (1011, 253704), (1023, 250728), (1116, 229834), (1348, 190278), (1364, 188046), (1922, 133452), (2022, 126852), (2046, 125364), (2232, 114917), (2696, 95139), (2728, 94023), (2883, 88968), (3033, 84568), (3069, 83576), (3707, 69192), (3844, 66726), (4044, 63426), (4092, 62682), (5766, 44484), (6066, 42284), (6138, 41788), (7414, 34596), (7688, 33363), (8088, 31713), (8184, 31341), (8649, 29656), (10447, 24552), (10571, 24264), (11121, 23064), (11532, 22242), (12132, 21142), (12276, 20894), (14828, 17298)]