163998688

素因数分解:

$2^5\times 7^2\times {\mathrm{41}}^1\times {\mathrm{2551}}^1$

素因数の和:2616

約数の個数: 72

約数和(自身を含む): 384897744

約数和(自身を除く): 220899056

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 41, 49, 56, 82, 98, 112, 164, 196, 224, 287, 328, 392, 574, 656, 784, 1148, 1312, 1568, 2009, 2296, 2551, 4018, 4592, 5102, 8036, 9184, 10204, 16072, 17857, 20408, 32144, 35714, 40816, 64288, 71428, 81632, 104591, 124999, 142856, 209182, 249998, 285712, 418364, 499996, 571424, 732137, 836728, 999992, 1464274, 1673456, 1999984, 2928548, 3346912, 3999968, 5124959, 5857096, 10249918, 11714192, 20499836, 23428384, 40999672, 81999344, 163998688]

約数ペア:

[(1, 163998688), (2, 81999344), (4, 40999672), (7, 23428384), (8, 20499836), (14, 11714192), (16, 10249918), (28, 5857096), (32, 5124959), (41, 3999968), (49, 3346912), (56, 2928548), (82, 1999984), (98, 1673456), (112, 1464274), (164, 999992), (196, 836728), (224, 732137), (287, 571424), (328, 499996), (392, 418364), (574, 285712), (656, 249998), (784, 209182), (1148, 142856), (1312, 124999), (1568, 104591), (2009, 81632), (2296, 71428), (2551, 64288), (4018, 40816), (4592, 35714), (5102, 32144), (8036, 20408), (9184, 17857), (10204, 16072)]