203979984

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{2999}}^1$

素因数の和:3132

約数の個数: 80

約数和(自身を含む): 572880000

約数和(自身を除く): 368900016

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 109, 156, 208, 218, 312, 327, 436, 624, 654, 872, 1308, 1417, 1744, 2616, 2834, 2999, 4251, 5232, 5668, 5998, 8502, 8997, 11336, 11996, 17004, 17994, 22672, 23992, 34008, 35988, 38987, 47984, 68016, 71976, 77974, 116961, 143952, 155948, 233922, 311896, 326891, 467844, 623792, 653782, 935688, 980673, 1307564, 1871376, 1961346, 2615128, 3922692, 4249583, 5230256, 7845384, 8499166, 12748749, 15690768, 16998332, 25497498, 33996664, 50994996, 67993328, 101989992, 203979984]

約数ペア:

[(1, 203979984), (2, 101989992), (3, 67993328), (4, 50994996), (6, 33996664), (8, 25497498), (12, 16998332), (13, 15690768), (16, 12748749), (24, 8499166), (26, 7845384), (39, 5230256), (48, 4249583), (52, 3922692), (78, 2615128), (104, 1961346), (109, 1871376), (156, 1307564), (208, 980673), (218, 935688), (312, 653782), (327, 623792), (436, 467844), (624, 326891), (654, 311896), (872, 233922), (1308, 155948), (1417, 143952), (1744, 116961), (2616, 77974), (2834, 71976), (2999, 68016), (4251, 47984), (5232, 38987), (5668, 35988), (5998, 34008), (8502, 23992), (8997, 22672), (11336, 17994), (11996, 17004)]