171965976

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1109}}^1$

素因数の和:1209

約数の個数: 128

約数和(自身を含む): 537062400

約数和(自身を除く): 365096424

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 71, 78, 84, 91, 104, 142, 156, 168, 182, 213, 273, 284, 312, 364, 426, 497, 546, 568, 728, 852, 923, 994, 1092, 1109, 1491, 1704, 1846, 1988, 2184, 2218, 2769, 2982, 3327, 3692, 3976, 4436, 5538, 5964, 6461, 6654, 7384, 7763, 8872, 11076, 11928, 12922, 13308, 14417, 15526, 19383, 22152, 23289, 25844, 26616, 28834, 31052, 38766, 43251, 46578, 51688, 57668, 62104, 77532, 78739, 86502, 93156, 100919, 115336, 155064, 157478, 173004, 186312, 201838, 236217, 302757, 314956, 346008, 403676, 472434, 551173, 605514, 629912, 807352, 944868, 1023607, 1102346, 1211028, 1653519, 1889736, 2047214, 2204692, 2422056, 3070821, 3307038, 4094428, 4409384, 6141642, 6614076, 7165249, 8188856, 12283284, 13228152, 14330498, 21495747, 24566568, 28660996, 42991494, 57321992, 85982988, 171965976]

約数ペア:

[(1, 171965976), (2, 85982988), (3, 57321992), (4, 42991494), (6, 28660996), (7, 24566568), (8, 21495747), (12, 14330498), (13, 13228152), (14, 12283284), (21, 8188856), (24, 7165249), (26, 6614076), (28, 6141642), (39, 4409384), (42, 4094428), (52, 3307038), (56, 3070821), (71, 2422056), (78, 2204692), (84, 2047214), (91, 1889736), (104, 1653519), (142, 1211028), (156, 1102346), (168, 1023607), (182, 944868), (213, 807352), (273, 629912), (284, 605514), (312, 551173), (364, 472434), (426, 403676), (497, 346008), (546, 314956), (568, 302757), (728, 236217), (852, 201838), (923, 186312), (994, 173004), (1092, 157478), (1109, 155064), (1491, 115336), (1704, 100919), (1846, 93156), (1988, 86502), (2184, 78739), (2218, 77532), (2769, 62104), (2982, 57668), (3327, 51688), (3692, 46578), (3976, 43251), (4436, 38766), (5538, 31052), (5964, 28834), (6461, 26616), (6654, 25844), (7384, 23289), (7763, 22152), (8872, 19383), (11076, 15526), (11928, 14417), (12922, 13308)]