215878544

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{641}}^1$

素因数の和:784

約数の個数: 80

約数和(自身を含む): 499301376

約数和(自身を除く): 283422832

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 97, 112, 124, 194, 217, 248, 388, 434, 496, 641, 679, 776, 868, 1282, 1358, 1552, 1736, 2564, 2716, 3007, 3472, 4487, 5128, 5432, 6014, 8974, 10256, 10864, 12028, 17948, 19871, 21049, 24056, 35896, 39742, 42098, 48112, 62177, 71792, 79484, 84196, 124354, 139097, 158968, 168392, 248708, 278194, 317936, 336784, 435239, 497416, 556388, 870478, 994832, 1112776, 1740956, 1927487, 2225552, 3481912, 3854974, 6963824, 7709948, 13492409, 15419896, 26984818, 30839792, 53969636, 107939272, 215878544]

約数ペア:

[(1, 215878544), (2, 107939272), (4, 53969636), (7, 30839792), (8, 26984818), (14, 15419896), (16, 13492409), (28, 7709948), (31, 6963824), (56, 3854974), (62, 3481912), (97, 2225552), (112, 1927487), (124, 1740956), (194, 1112776), (217, 994832), (248, 870478), (388, 556388), (434, 497416), (496, 435239), (641, 336784), (679, 317936), (776, 278194), (868, 248708), (1282, 168392), (1358, 158968), (1552, 139097), (1736, 124354), (2564, 84196), (2716, 79484), (3007, 71792), (3472, 62177), (4487, 48112), (5128, 42098), (5432, 39742), (6014, 35896), (8974, 24056), (10256, 21049), (10864, 19871), (12028, 17948)]