81349658

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^2$

素因数の和:207

約数の個数: 48

約数和(自身を含む): 144693864

約数和(自身を除く): 63344206

約数列:

[1, 2, 13, 17, 26, 34, 41, 67, 82, 134, 221, 442, 533, 697, 871, 1066, 1139, 1394, 1742, 2278, 2747, 4489, 5494, 8978, 9061, 14807, 18122, 29614, 35711, 46699, 58357, 71422, 76313, 93398, 116714, 152626, 184049, 368098, 607087, 992069, 1214174, 1984138, 2392637, 3128833, 4785274, 6257666, 40674829, 81349658]

約数ペア:

[(1, 81349658), (2, 40674829), (13, 6257666), (17, 4785274), (26, 3128833), (34, 2392637), (41, 1984138), (67, 1214174), (82, 992069), (134, 607087), (221, 368098), (442, 184049), (533, 152626), (697, 116714), (871, 93398), (1066, 76313), (1139, 71422), (1394, 58357), (1742, 46699), (2278, 35711), (2747, 29614), (4489, 18122), (5494, 14807), (8978, 9061)]