78226401

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1$

素因数の和:270

約数の個数: 64

約数和(自身を含む): 130636800

約数和(自身を除く): 52410399

約数列:

[1, 3, 11, 17, 19, 33, 41, 51, 57, 123, 179, 187, 209, 323, 451, 537, 561, 627, 697, 779, 969, 1353, 1969, 2091, 2337, 3043, 3401, 3553, 5907, 7339, 7667, 8569, 9129, 10203, 10659, 13243, 22017, 23001, 25707, 33473, 37411, 39729, 57817, 80729, 100419, 112233, 124763, 139441, 145673, 173451, 242187, 374289, 418323, 437019, 635987, 1372393, 1533851, 1907961, 2370497, 4117179, 4601553, 7111491, 26075467, 78226401]

約数ペア:

[(1, 78226401), (3, 26075467), (11, 7111491), (17, 4601553), (19, 4117179), (33, 2370497), (41, 1907961), (51, 1533851), (57, 1372393), (123, 635987), (179, 437019), (187, 418323), (209, 374289), (323, 242187), (451, 173451), (537, 145673), (561, 139441), (627, 124763), (697, 112233), (779, 100419), (969, 80729), (1353, 57817), (1969, 39729), (2091, 37411), (2337, 33473), (3043, 25707), (3401, 23001), (3553, 22017), (5907, 13243), (7339, 10659), (7667, 10203), (8569, 9129)]