1998889776

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{28859}}^1$

素因数の和:28923

約数の個数: 120

約数和(自身を含む): 6187468560

約数和(自身を除く): 4188578784

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 37, 39, 48, 52, 72, 74, 78, 104, 111, 117, 144, 148, 156, 208, 222, 234, 296, 312, 333, 444, 468, 481, 592, 624, 666, 888, 936, 962, 1332, 1443, 1776, 1872, 1924, 2664, 2886, 3848, 4329, 5328, 5772, 7696, 8658, 11544, 17316, 23088, 28859, 34632, 57718, 69264, 86577, 115436, 173154, 230872, 259731, 346308, 375167, 461744, 519462, 692616, 750334, 1038924, 1067783, 1125501, 1385232, 1500668, 2077848, 2135566, 2251002, 3001336, 3203349, 3376503, 4155696, 4271132, 4502004, 6002672, 6406698, 6753006, 8542264, 9004008, 9610047, 12813396, 13506012, 13881179, 17084528, 18008016, 19220094, 25626792, 27012024, 27762358, 38440188, 41643537, 51253584, 54024048, 55524716, 76880376, 83287074, 111049432, 124930611, 153760752, 166574148, 222098864, 249861222, 333148296, 499722444, 666296592, 999444888, 1998889776]

約数ペア:

[(1, 1998889776), (2, 999444888), (3, 666296592), (4, 499722444), (6, 333148296), (8, 249861222), (9, 222098864), (12, 166574148), (13, 153760752), (16, 124930611), (18, 111049432), (24, 83287074), (26, 76880376), (36, 55524716), (37, 54024048), (39, 51253584), (48, 41643537), (52, 38440188), (72, 27762358), (74, 27012024), (78, 25626792), (104, 19220094), (111, 18008016), (117, 17084528), (144, 13881179), (148, 13506012), (156, 12813396), (208, 9610047), (222, 9004008), (234, 8542264), (296, 6753006), (312, 6406698), (333, 6002672), (444, 4502004), (468, 4271132), (481, 4155696), (592, 3376503), (624, 3203349), (666, 3001336), (888, 2251002), (936, 2135566), (962, 2077848), (1332, 1500668), (1443, 1385232), (1776, 1125501), (1872, 1067783), (1924, 1038924), (2664, 750334), (2886, 692616), (3848, 519462), (4329, 461744), (5328, 375167), (5772, 346308), (7696, 259731), (8658, 230872), (11544, 173154), (17316, 115436), (23088, 86577), (28859, 69264), (34632, 57718)]