813342815

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{271}}^1$

素因数の和:408

約数の個数: 48

約数和(自身を含む): 1090228224

約数和(自身を除く): 276885409

約数列:

[1, 5, 17, 31, 67, 85, 155, 271, 289, 335, 527, 1139, 1355, 1445, 2077, 2635, 4607, 5695, 8401, 8959, 10385, 18157, 19363, 23035, 35309, 42005, 44795, 78319, 90785, 96815, 142817, 176545, 308669, 391595, 562867, 600253, 714085, 1543345, 2427889, 2814335, 3001265, 5247373, 9568739, 12139445, 26236865, 47843695, 162668563, 813342815]

約数ペア:

[(1, 813342815), (5, 162668563), (17, 47843695), (31, 26236865), (67, 12139445), (85, 9568739), (155, 5247373), (271, 3001265), (289, 2814335), (335, 2427889), (527, 1543345), (1139, 714085), (1355, 600253), (1445, 562867), (2077, 391595), (2635, 308669), (4607, 176545), (5695, 142817), (8401, 96815), (8959, 90785), (10385, 78319), (18157, 44795), (19363, 42005), (23035, 35309)]