291015816

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{587}}^1$

素因数の和:843

約数の個数: 128

約数和(自身を含む): 900910080

約数和(自身を除く): 609894264

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 84, 91, 104, 156, 168, 182, 227, 273, 312, 364, 454, 546, 587, 681, 728, 908, 1092, 1174, 1362, 1589, 1761, 1816, 2184, 2348, 2724, 2951, 3178, 3522, 4109, 4696, 4767, 5448, 5902, 6356, 7044, 7631, 8218, 8853, 9534, 11804, 12327, 12712, 14088, 15262, 16436, 17706, 19068, 20657, 22893, 23608, 24654, 30524, 32872, 35412, 38136, 41314, 45786, 49308, 53417, 61048, 61971, 70824, 82628, 91572, 98616, 106834, 123942, 133249, 160251, 165256, 183144, 213668, 247884, 266498, 320502, 399747, 427336, 495768, 532996, 641004, 799494, 932743, 1065992, 1282008, 1598988, 1732237, 1865486, 2798229, 3197976, 3464474, 3730972, 5196711, 5596458, 6928948, 7461944, 10393422, 11192916, 12125659, 13857896, 20786844, 22385832, 24251318, 36376977, 41573688, 48502636, 72753954, 97005272, 145507908, 291015816]

約数ペア:

[(1, 291015816), (2, 145507908), (3, 97005272), (4, 72753954), (6, 48502636), (7, 41573688), (8, 36376977), (12, 24251318), (13, 22385832), (14, 20786844), (21, 13857896), (24, 12125659), (26, 11192916), (28, 10393422), (39, 7461944), (42, 6928948), (52, 5596458), (56, 5196711), (78, 3730972), (84, 3464474), (91, 3197976), (104, 2798229), (156, 1865486), (168, 1732237), (182, 1598988), (227, 1282008), (273, 1065992), (312, 932743), (364, 799494), (454, 641004), (546, 532996), (587, 495768), (681, 427336), (728, 399747), (908, 320502), (1092, 266498), (1174, 247884), (1362, 213668), (1589, 183144), (1761, 165256), (1816, 160251), (2184, 133249), (2348, 123942), (2724, 106834), (2951, 98616), (3178, 91572), (3522, 82628), (4109, 70824), (4696, 61971), (4767, 61048), (5448, 53417), (5902, 49308), (6356, 45786), (7044, 41314), (7631, 38136), (8218, 35412), (8853, 32872), (9534, 30524), (11804, 24654), (12327, 23608), (12712, 22893), (14088, 20657), (15262, 19068), (16436, 17706)]