821903992

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{461}}^1$

素因数の和:597

約数の個数: 128

約数和(自身を含む): 1986969600

約数和(自身を除く): 1165065608

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 31, 52, 56, 62, 79, 91, 104, 124, 158, 182, 217, 248, 316, 364, 403, 434, 461, 553, 632, 728, 806, 868, 922, 1027, 1106, 1612, 1736, 1844, 2054, 2212, 2449, 2821, 3224, 3227, 3688, 4108, 4424, 4898, 5642, 5993, 6454, 7189, 8216, 9796, 11284, 11986, 12908, 14291, 14378, 17143, 19592, 22568, 23972, 25816, 28582, 28756, 31837, 34286, 36419, 41951, 47944, 57164, 57512, 63674, 68572, 72838, 83902, 100037, 114328, 127348, 137144, 145676, 167804, 185783, 200074, 222859, 254696, 254933, 291352, 335608, 371566, 400148, 445718, 473447, 509866, 743132, 800296, 891436, 946894, 1019732, 1128989, 1300481, 1486264, 1782872, 1893788, 2039464, 2257978, 2600962, 3314129, 3787576, 4515956, 5201924, 6628258, 7902923, 9031912, 10403848, 13256516, 14676857, 15805846, 26513032, 29353714, 31611692, 58707428, 63223384, 102737999, 117414856, 205475998, 410951996, 821903992]

約数ペア:

[(1, 821903992), (2, 410951996), (4, 205475998), (7, 117414856), (8, 102737999), (13, 63223384), (14, 58707428), (26, 31611692), (28, 29353714), (31, 26513032), (52, 15805846), (56, 14676857), (62, 13256516), (79, 10403848), (91, 9031912), (104, 7902923), (124, 6628258), (158, 5201924), (182, 4515956), (217, 3787576), (248, 3314129), (316, 2600962), (364, 2257978), (403, 2039464), (434, 1893788), (461, 1782872), (553, 1486264), (632, 1300481), (728, 1128989), (806, 1019732), (868, 946894), (922, 891436), (1027, 800296), (1106, 743132), (1612, 509866), (1736, 473447), (1844, 445718), (2054, 400148), (2212, 371566), (2449, 335608), (2821, 291352), (3224, 254933), (3227, 254696), (3688, 222859), (4108, 200074), (4424, 185783), (4898, 167804), (5642, 145676), (5993, 137144), (6454, 127348), (7189, 114328), (8216, 100037), (9796, 83902), (11284, 72838), (11986, 68572), (12908, 63674), (14291, 57512), (14378, 57164), (17143, 47944), (19592, 41951), (22568, 36419), (23972, 34286), (25816, 31837), (28582, 28756)]