1808993816

素因数分解:

$2^3\times 7^1\times {\mathrm{139}}^1\times {\mathrm{307}}^1\times {\mathrm{757}}^1$

素因数の和:1216

約数の個数: 64

約数和(自身を含む): 3922195200

約数和(自身を除く): 2113201384

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 139, 278, 307, 556, 614, 757, 973, 1112, 1228, 1514, 1946, 2149, 2456, 3028, 3892, 4298, 5299, 6056, 7784, 8596, 10598, 17192, 21196, 42392, 42673, 85346, 105223, 170692, 210446, 232399, 298711, 341384, 420892, 464798, 597422, 736561, 841784, 929596, 1194844, 1473122, 1626793, 1859192, 2389688, 2946244, 3253586, 5892488, 6507172, 13014344, 32303461, 64606922, 129213844, 226124227, 258427688, 452248454, 904496908, 1808993816]

約数ペア:

[(1, 1808993816), (2, 904496908), (4, 452248454), (7, 258427688), (8, 226124227), (14, 129213844), (28, 64606922), (56, 32303461), (139, 13014344), (278, 6507172), (307, 5892488), (556, 3253586), (614, 2946244), (757, 2389688), (973, 1859192), (1112, 1626793), (1228, 1473122), (1514, 1194844), (1946, 929596), (2149, 841784), (2456, 736561), (3028, 597422), (3892, 464798), (4298, 420892), (5299, 341384), (6056, 298711), (7784, 232399), (8596, 210446), (10598, 170692), (17192, 105223), (21196, 85346), (42392, 42673)]