28121688

素因数分解:

$2^3\times 3^3\times 7^2\times {\mathrm{2657}}^1$

素因数の和:2686

約数の個数: 96

約数和(自身を含む): 90903600

約数和(自身を除く): 62781912

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 49, 54, 56, 63, 72, 84, 98, 108, 126, 147, 168, 189, 196, 216, 252, 294, 378, 392, 441, 504, 588, 756, 882, 1176, 1323, 1512, 1764, 2646, 2657, 3528, 5292, 5314, 7971, 10584, 10628, 15942, 18599, 21256, 23913, 31884, 37198, 47826, 55797, 63768, 71739, 74396, 95652, 111594, 130193, 143478, 148792, 167391, 191304, 223188, 260386, 286956, 334782, 390579, 446376, 502173, 520772, 573912, 669564, 781158, 1004346, 1041544, 1171737, 1339128, 1562316, 2008692, 2343474, 3124632, 3515211, 4017384, 4686948, 7030422, 9373896, 14060844, 28121688]

約数ペア:

[(1, 28121688), (2, 14060844), (3, 9373896), (4, 7030422), (6, 4686948), (7, 4017384), (8, 3515211), (9, 3124632), (12, 2343474), (14, 2008692), (18, 1562316), (21, 1339128), (24, 1171737), (27, 1041544), (28, 1004346), (36, 781158), (42, 669564), (49, 573912), (54, 520772), (56, 502173), (63, 446376), (72, 390579), (84, 334782), (98, 286956), (108, 260386), (126, 223188), (147, 191304), (168, 167391), (189, 148792), (196, 143478), (216, 130193), (252, 111594), (294, 95652), (378, 74396), (392, 71739), (441, 63768), (504, 55797), (588, 47826), (756, 37198), (882, 31884), (1176, 23913), (1323, 21256), (1512, 18599), (1764, 15942), (2646, 10628), (2657, 10584), (3528, 7971), (5292, 5314)]