71385128

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{7699}}^1$

素因数の和:7785

約数の個数: 32

約数和(自身を含む): 143220000

約数和(自身を除く): 71834872

約数列:

[1, 2, 4, 8, 19, 38, 61, 76, 122, 152, 244, 488, 1159, 2318, 4636, 7699, 9272, 15398, 30796, 61592, 146281, 292562, 469639, 585124, 939278, 1170248, 1878556, 3757112, 8923141, 17846282, 35692564, 71385128]

約数ペア:

[(1, 71385128), (2, 35692564), (4, 17846282), (8, 8923141), (19, 3757112), (38, 1878556), (61, 1170248), (76, 939278), (122, 585124), (152, 469639), (244, 292562), (488, 146281), (1159, 61592), (2318, 30796), (4636, 15398), (7699, 9272)]