201477978

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:340

約数の個数: 96

約数和(自身を含む): 486525312

約数和(自身を除く): 285047334

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 67, 71, 78, 117, 134, 142, 181, 201, 213, 234, 362, 402, 426, 543, 603, 639, 871, 923, 1086, 1206, 1278, 1629, 1742, 1846, 2353, 2613, 2769, 3258, 4706, 4757, 5226, 5538, 7059, 7839, 8307, 9514, 12127, 12851, 14118, 14271, 15678, 16614, 21177, 24254, 25702, 28542, 36381, 38553, 42354, 42813, 61841, 72762, 77106, 85626, 109143, 115659, 123682, 157651, 167063, 185523, 218286, 231318, 315302, 334126, 371046, 472953, 501189, 556569, 861017, 945906, 1002378, 1113138, 1418859, 1503567, 1722034, 2583051, 2837718, 3007134, 5166102, 7749153, 11193221, 15498306, 22386442, 33579663, 67159326, 100738989, 201477978]

約数ペア:

[(1, 201477978), (2, 100738989), (3, 67159326), (6, 33579663), (9, 22386442), (13, 15498306), (18, 11193221), (26, 7749153), (39, 5166102), (67, 3007134), (71, 2837718), (78, 2583051), (117, 1722034), (134, 1503567), (142, 1418859), (181, 1113138), (201, 1002378), (213, 945906), (234, 861017), (362, 556569), (402, 501189), (426, 472953), (543, 371046), (603, 334126), (639, 315302), (871, 231318), (923, 218286), (1086, 185523), (1206, 167063), (1278, 157651), (1629, 123682), (1742, 115659), (1846, 109143), (2353, 85626), (2613, 77106), (2769, 72762), (3258, 61841), (4706, 42813), (4757, 42354), (5226, 38553), (5538, 36381), (7059, 28542), (7839, 25702), (8307, 24254), (9514, 21177), (12127, 16614), (12851, 15678), (14118, 14271)]