201901781438

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{421}}^1\times {\mathrm{8951}}^1$

素因数の和:9513

約数の個数: 64

約数和(自身を含む): 359036789760

約数和(自身を除く): 157135008322

約数列:

[1, 2, 7, 14, 43, 86, 89, 178, 301, 421, 602, 623, 842, 1246, 2947, 3827, 5894, 7654, 8951, 17902, 18103, 26789, 36206, 37469, 53578, 62657, 74938, 125314, 126721, 253442, 262283, 384893, 524566, 769786, 796639, 1593278, 1611167, 2694251, 3222334, 3768371, 5388502, 5576473, 7536742, 11152946, 11278169, 22556338, 26378597, 34255477, 52757194, 68510954, 162039953, 239788339, 324079906, 335385019, 479576678, 670770038, 1134279671, 2268559342, 2347695133, 4695390266, 14421555817, 28843111634, 100950890719, 201901781438]

約数ペア:

[(1, 201901781438), (2, 100950890719), (7, 28843111634), (14, 14421555817), (43, 4695390266), (86, 2347695133), (89, 2268559342), (178, 1134279671), (301, 670770038), (421, 479576678), (602, 335385019), (623, 324079906), (842, 239788339), (1246, 162039953), (2947, 68510954), (3827, 52757194), (5894, 34255477), (7654, 26378597), (8951, 22556338), (17902, 11278169), (18103, 11152946), (26789, 7536742), (36206, 5576473), (37469, 5388502), (53578, 3768371), (62657, 3222334), (74938, 2694251), (125314, 1611167), (126721, 1593278), (253442, 796639), (262283, 769786), (384893, 524566)]