289270908

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{8521}}^1$

素因数の和:8595

約数の個数: 72

約数和(自身を含む): 781706016

約数和(自身を除く): 492435108

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 41, 46, 69, 82, 92, 123, 138, 164, 207, 246, 276, 369, 414, 492, 738, 828, 943, 1476, 1886, 2829, 3772, 5658, 8487, 8521, 11316, 16974, 17042, 25563, 33948, 34084, 51126, 76689, 102252, 153378, 195983, 306756, 349361, 391966, 587949, 698722, 783932, 1048083, 1175898, 1397444, 1763847, 2096166, 2351796, 3144249, 3527694, 4192332, 6288498, 7055388, 8035303, 12576996, 16070606, 24105909, 32141212, 48211818, 72317727, 96423636, 144635454, 289270908]

約数ペア:

[(1, 289270908), (2, 144635454), (3, 96423636), (4, 72317727), (6, 48211818), (9, 32141212), (12, 24105909), (18, 16070606), (23, 12576996), (36, 8035303), (41, 7055388), (46, 6288498), (69, 4192332), (82, 3527694), (92, 3144249), (123, 2351796), (138, 2096166), (164, 1763847), (207, 1397444), (246, 1175898), (276, 1048083), (369, 783932), (414, 698722), (492, 587949), (738, 391966), (828, 349361), (943, 306756), (1476, 195983), (1886, 153378), (2829, 102252), (3772, 76689), (5658, 51126), (8487, 34084), (8521, 33948), (11316, 25563), (16974, 17042)]