81644948

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{503}}^1$

素因数の和:573

約数の個数: 96

約数和(自身を含む): 195084288

約数和(自身を除く): 113439340

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 31, 34, 44, 62, 68, 77, 119, 124, 154, 187, 217, 238, 308, 341, 374, 434, 476, 503, 527, 682, 748, 868, 1006, 1054, 1309, 1364, 2012, 2108, 2387, 2618, 3521, 3689, 4774, 5236, 5533, 5797, 7042, 7378, 8551, 9548, 11066, 11594, 14084, 14756, 15593, 17102, 22132, 23188, 31186, 34204, 38731, 40579, 59857, 62372, 77462, 81158, 94061, 109151, 119714, 154924, 162316, 171523, 188122, 218302, 239428, 265081, 343046, 376244, 436604, 530162, 658427, 686092, 1060324, 1200661, 1316854, 1855567, 2401322, 2633708, 2915891, 3711134, 4802644, 5831782, 7422268, 11663564, 20411237, 40822474, 81644948]

約数ペア:

[(1, 81644948), (2, 40822474), (4, 20411237), (7, 11663564), (11, 7422268), (14, 5831782), (17, 4802644), (22, 3711134), (28, 2915891), (31, 2633708), (34, 2401322), (44, 1855567), (62, 1316854), (68, 1200661), (77, 1060324), (119, 686092), (124, 658427), (154, 530162), (187, 436604), (217, 376244), (238, 343046), (308, 265081), (341, 239428), (374, 218302), (434, 188122), (476, 171523), (503, 162316), (527, 154924), (682, 119714), (748, 109151), (868, 94061), (1006, 81158), (1054, 77462), (1309, 62372), (1364, 59857), (2012, 40579), (2108, 38731), (2387, 34204), (2618, 31186), (3521, 23188), (3689, 22132), (4774, 17102), (5236, 15593), (5533, 14756), (5797, 14084), (7042, 11594), (7378, 11066), (8551, 9548)]