28419664

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1$

素因数の和:308

約数の個数: 80

約数和(自身を含む): 68745600

約数和(自身を除く): 40325936

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 131, 149, 182, 208, 262, 298, 364, 524, 596, 728, 917, 1043, 1048, 1192, 1456, 1703, 1834, 1937, 2086, 2096, 2384, 3406, 3668, 3874, 4172, 6812, 7336, 7748, 8344, 11921, 13559, 13624, 14672, 15496, 16688, 19519, 23842, 27118, 27248, 30992, 39038, 47684, 54236, 78076, 95368, 108472, 136633, 156152, 190736, 216944, 253747, 273266, 312304, 507494, 546532, 1014988, 1093064, 1776229, 2029976, 2186128, 3552458, 4059952, 7104916, 14209832, 28419664]

約数ペア:

[(1, 28419664), (2, 14209832), (4, 7104916), (7, 4059952), (8, 3552458), (13, 2186128), (14, 2029976), (16, 1776229), (26, 1093064), (28, 1014988), (52, 546532), (56, 507494), (91, 312304), (104, 273266), (112, 253747), (131, 216944), (149, 190736), (182, 156152), (208, 136633), (262, 108472), (298, 95368), (364, 78076), (524, 54236), (596, 47684), (728, 39038), (917, 30992), (1043, 27248), (1048, 27118), (1192, 23842), (1456, 19519), (1703, 16688), (1834, 15496), (1937, 14672), (2086, 13624), (2096, 13559), (2384, 11921), (3406, 8344), (3668, 7748), (3874, 7336), (4172, 6812)]