137580254

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^2\times {\mathrm{139}}^1$

素因数の和:289

約数の個数: 48

約数和(自身を含む): 254217600

約数和(自身を除く): 116637346

約数列:

[1, 2, 7, 14, 19, 38, 61, 122, 133, 139, 266, 278, 427, 854, 973, 1159, 1946, 2318, 2641, 3721, 5282, 7442, 8113, 8479, 16226, 16958, 18487, 26047, 36974, 52094, 59353, 70699, 118706, 141398, 161101, 322202, 494893, 517219, 989786, 1034438, 1127707, 2255414, 3620533, 7241066, 9827161, 19654322, 68790127, 137580254]

約数ペア:

[(1, 137580254), (2, 68790127), (7, 19654322), (14, 9827161), (19, 7241066), (38, 3620533), (61, 2255414), (122, 1127707), (133, 1034438), (139, 989786), (266, 517219), (278, 494893), (427, 322202), (854, 161101), (973, 141398), (1159, 118706), (1946, 70699), (2318, 59353), (2641, 52094), (3721, 36974), (5282, 26047), (7442, 18487), (8113, 16958), (8479, 16226)]