2778778856

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{19793}}^1$

素因数の和:19938

約数の個数: 64

約数和(自身を含む): 6270739200

約数和(自身を除く): 3491960344

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 109, 161, 184, 218, 322, 436, 644, 763, 872, 1288, 1526, 2507, 3052, 5014, 6104, 10028, 17549, 19793, 20056, 35098, 39586, 70196, 79172, 138551, 140392, 158344, 277102, 455239, 554204, 910478, 1108408, 1820956, 2157437, 3186673, 3641912, 4314874, 6373346, 8629748, 12746692, 15102059, 17259496, 25493384, 30204118, 49621051, 60408236, 99242102, 120816472, 198484204, 347347357, 396968408, 694694714, 1389389428, 2778778856]

約数ペア:

[(1, 2778778856), (2, 1389389428), (4, 694694714), (7, 396968408), (8, 347347357), (14, 198484204), (23, 120816472), (28, 99242102), (46, 60408236), (56, 49621051), (92, 30204118), (109, 25493384), (161, 17259496), (184, 15102059), (218, 12746692), (322, 8629748), (436, 6373346), (644, 4314874), (763, 3641912), (872, 3186673), (1288, 2157437), (1526, 1820956), (2507, 1108408), (3052, 910478), (5014, 554204), (6104, 455239), (10028, 277102), (17549, 158344), (19793, 140392), (20056, 138551), (35098, 79172), (39586, 70196)]