311920518

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{1439}}^1$

素因数の和:1861

約数の個数: 64

約数和(自身を含む): 770273280

約数和(自身を除く): 458352762

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 182, 273, 397, 546, 794, 1191, 1439, 2382, 2779, 2878, 4317, 5161, 5558, 8337, 8634, 10073, 10322, 15483, 16674, 18707, 20146, 30219, 30966, 36127, 37414, 56121, 60438, 72254, 108381, 112242, 130949, 216762, 261898, 392847, 571283, 785694, 1142566, 1713849, 3427698, 3998981, 7426679, 7997962, 11996943, 14853358, 22280037, 23993886, 44560074, 51986753, 103973506, 155960259, 311920518]

約数ペア:

[(1, 311920518), (2, 155960259), (3, 103973506), (6, 51986753), (7, 44560074), (13, 23993886), (14, 22280037), (21, 14853358), (26, 11996943), (39, 7997962), (42, 7426679), (78, 3998981), (91, 3427698), (182, 1713849), (273, 1142566), (397, 785694), (546, 571283), (794, 392847), (1191, 261898), (1439, 216762), (2382, 130949), (2779, 112242), (2878, 108381), (4317, 72254), (5161, 60438), (5558, 56121), (8337, 37414), (8634, 36127), (10073, 30966), (10322, 30219), (15483, 20146), (16674, 18707)]