81516918

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{457}}^1$

素因数の和:637

約数の個数: 64

約数和(自身を含む): 194162688

約数和(自身を除く): 112645770

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 62, 93, 137, 186, 217, 274, 411, 434, 457, 651, 822, 914, 959, 1302, 1371, 1918, 2742, 2877, 3199, 4247, 5754, 6398, 8494, 9597, 12741, 14167, 19194, 25482, 28334, 29729, 42501, 59458, 62609, 85002, 89187, 99169, 125218, 178374, 187827, 198338, 297507, 375654, 438263, 595014, 876526, 1314789, 1940879, 2629578, 3881758, 5822637, 11645274, 13586153, 27172306, 40758459, 81516918]

約数ペア:

[(1, 81516918), (2, 40758459), (3, 27172306), (6, 13586153), (7, 11645274), (14, 5822637), (21, 3881758), (31, 2629578), (42, 1940879), (62, 1314789), (93, 876526), (137, 595014), (186, 438263), (217, 375654), (274, 297507), (411, 198338), (434, 187827), (457, 178374), (651, 125218), (822, 99169), (914, 89187), (959, 85002), (1302, 62609), (1371, 59458), (1918, 42501), (2742, 29729), (2877, 28334), (3199, 25482), (4247, 19194), (5754, 14167), (6398, 12741), (8494, 9597)]