23315890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{97}}^1$

素因数の和:203

約数の個数: 48

約数和(自身を含む): 46749528

約数和(自身を除く): 23433638

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 97, 130, 194, 215, 430, 485, 559, 970, 1118, 1261, 1849, 2522, 2795, 3698, 4171, 5590, 6305, 8342, 9245, 12610, 18490, 20855, 24037, 41710, 48074, 54223, 108446, 120185, 179353, 240370, 271115, 358706, 542230, 896765, 1793530, 2331589, 4663178, 11657945, 23315890]

約数ペア:

[(1, 23315890), (2, 11657945), (5, 4663178), (10, 2331589), (13, 1793530), (26, 896765), (43, 542230), (65, 358706), (86, 271115), (97, 240370), (130, 179353), (194, 120185), (215, 108446), (430, 54223), (485, 48074), (559, 41710), (970, 24037), (1118, 20855), (1261, 18490), (1849, 12610), (2522, 9245), (2795, 8342), (3698, 6305), (4171, 5590)]