81288076

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{271}}^1$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 153538560

約数和(自身を除く): 72250484

約数列:

[1, 2, 4, 31, 41, 59, 62, 82, 118, 124, 164, 236, 271, 542, 1084, 1271, 1829, 2419, 2542, 3658, 4838, 5084, 7316, 8401, 9676, 11111, 15989, 16802, 22222, 31978, 33604, 44444, 63956, 74989, 149978, 299956, 344441, 495659, 655549, 688882, 991318, 1311098, 1377764, 1982636, 2622196, 20322019, 40644038, 81288076]

約数ペア:

[(1, 81288076), (2, 40644038), (4, 20322019), (31, 2622196), (41, 1982636), (59, 1377764), (62, 1311098), (82, 991318), (118, 688882), (124, 655549), (164, 495659), (236, 344441), (271, 299956), (542, 149978), (1084, 74989), (1271, 63956), (1829, 44444), (2419, 33604), (2542, 31978), (3658, 22222), (4838, 16802), (5084, 15989), (7316, 11111), (8401, 9676)]