87894982

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:257

約数の個数: 48

約数和(自身を含む): 160151040

約数和(自身を除く): 72256058

約数列:

[1, 2, 7, 14, 31, 47, 62, 94, 139, 217, 278, 329, 434, 658, 961, 973, 1457, 1922, 1946, 2914, 4309, 6533, 6727, 8618, 10199, 13066, 13454, 20398, 30163, 45167, 45731, 60326, 90334, 91462, 133579, 202523, 267158, 316169, 405046, 632338, 935053, 1417661, 1870106, 2835322, 6278213, 12556426, 43947491, 87894982]

約数ペア:

[(1, 87894982), (2, 43947491), (7, 12556426), (14, 6278213), (31, 2835322), (47, 1870106), (62, 1417661), (94, 935053), (139, 632338), (217, 405046), (278, 316169), (329, 267158), (434, 202523), (658, 133579), (961, 91462), (973, 90334), (1457, 60326), (1922, 45731), (1946, 45167), (2914, 30163), (4309, 20398), (6533, 13454), (6727, 13066), (8618, 10199)]