819461006

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{20749}}^1$

素因数の和:20809

約数の個数: 48

約数和(自身を含む): 1589616000

約数和(自身を除く): 770154994

約数列:

[1, 2, 7, 13, 14, 26, 31, 49, 62, 91, 98, 182, 217, 403, 434, 637, 806, 1274, 1519, 2821, 3038, 5642, 19747, 20749, 39494, 41498, 145243, 269737, 290486, 539474, 643219, 1016701, 1286438, 1888159, 2033402, 3776318, 4502533, 8361847, 9005066, 13217113, 16723694, 26434226, 31517731, 58532929, 63035462, 117065858, 409730503, 819461006]

約数ペア:

[(1, 819461006), (2, 409730503), (7, 117065858), (13, 63035462), (14, 58532929), (26, 31517731), (31, 26434226), (49, 16723694), (62, 13217113), (91, 9005066), (98, 8361847), (182, 4502533), (217, 3776318), (403, 2033402), (434, 1888159), (637, 1286438), (806, 1016701), (1274, 643219), (1519, 539474), (2821, 290486), (3038, 269737), (5642, 145243), (19747, 41498), (20749, 39494)]