1971487408

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{2393}}^1$

素因数の和:2594

約数の個数: 80

約数和(自身を含む): 4331722752

約数和(自身を除く): 2360235344

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 62, 88, 124, 151, 176, 248, 302, 341, 496, 604, 682, 1208, 1364, 1661, 2393, 2416, 2728, 3322, 4681, 4786, 5456, 6644, 9362, 9572, 13288, 18724, 19144, 26323, 26576, 37448, 38288, 51491, 52646, 74183, 74896, 102982, 105292, 148366, 205964, 210584, 296732, 361343, 411928, 421168, 593464, 722686, 816013, 823856, 1186928, 1445372, 1632026, 2890744, 3264052, 3974773, 5781488, 6528104, 7949546, 11201633, 13056208, 15899092, 22403266, 31798184, 44806532, 63596368, 89613064, 123217963, 179226128, 246435926, 492871852, 985743704, 1971487408]

約数ペア:

[(1, 1971487408), (2, 985743704), (4, 492871852), (8, 246435926), (11, 179226128), (16, 123217963), (22, 89613064), (31, 63596368), (44, 44806532), (62, 31798184), (88, 22403266), (124, 15899092), (151, 13056208), (176, 11201633), (248, 7949546), (302, 6528104), (341, 5781488), (496, 3974773), (604, 3264052), (682, 2890744), (1208, 1632026), (1364, 1445372), (1661, 1186928), (2393, 823856), (2416, 816013), (2728, 722686), (3322, 593464), (4681, 421168), (4786, 411928), (5456, 361343), (6644, 296732), (9362, 210584), (9572, 205964), (13288, 148366), (18724, 105292), (19144, 102982), (26323, 74896), (26576, 74183), (37448, 52646), (38288, 51491)]