291223332

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{509}}^1\times {\mathrm{691}}^1$

素因数の和:1233

約数の個数: 72

約数和(自身を含む): 770777280

約数和(自身を除く): 479553948

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 276, 414, 509, 691, 828, 1018, 1382, 1527, 2036, 2073, 2764, 3054, 4146, 4581, 6108, 6219, 8292, 9162, 11707, 12438, 15893, 18324, 23414, 24876, 31786, 35121, 46828, 47679, 63572, 70242, 95358, 105363, 140484, 143037, 190716, 210726, 286074, 351719, 421452, 572148, 703438, 1055157, 1406876, 2110314, 3165471, 4220628, 6330942, 8089537, 12661884, 16179074, 24268611, 32358148, 48537222, 72805833, 97074444, 145611666, 291223332]

約数ペア:

[(1, 291223332), (2, 145611666), (3, 97074444), (4, 72805833), (6, 48537222), (9, 32358148), (12, 24268611), (18, 16179074), (23, 12661884), (36, 8089537), (46, 6330942), (69, 4220628), (92, 3165471), (138, 2110314), (207, 1406876), (276, 1055157), (414, 703438), (509, 572148), (691, 421452), (828, 351719), (1018, 286074), (1382, 210726), (1527, 190716), (2036, 143037), (2073, 140484), (2764, 105363), (3054, 95358), (4146, 70242), (4581, 63572), (6108, 47679), (6219, 46828), (8292, 35121), (9162, 31786), (11707, 24876), (12438, 23414), (15893, 18324)]