397910695

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{809}}^1$

素因数の和:904

約数の個数: 64

約数和(自身を含む): 627056640

約数和(自身を除く): 229145945

約数列:

[1, 5, 7, 13, 23, 35, 47, 65, 91, 115, 161, 235, 299, 329, 455, 611, 805, 809, 1081, 1495, 1645, 2093, 3055, 4045, 4277, 5405, 5663, 7567, 10465, 10517, 14053, 18607, 21385, 28315, 37835, 38023, 52585, 70265, 73619, 93035, 98371, 130249, 190115, 241891, 266161, 368095, 491855, 494299, 651245, 874529, 1209455, 1330805, 1693237, 2471495, 3460093, 4372645, 6121703, 8466185, 11368877, 17300465, 30608515, 56844385, 79582139, 397910695]

約数ペア:

[(1, 397910695), (5, 79582139), (7, 56844385), (13, 30608515), (23, 17300465), (35, 11368877), (47, 8466185), (65, 6121703), (91, 4372645), (115, 3460093), (161, 2471495), (235, 1693237), (299, 1330805), (329, 1209455), (455, 874529), (611, 651245), (805, 494299), (809, 491855), (1081, 368095), (1495, 266161), (1645, 241891), (2093, 190115), (3055, 130249), (4045, 98371), (4277, 93035), (5405, 73619), (5663, 70265), (7567, 52585), (10465, 38023), (10517, 37835), (14053, 28315), (18607, 21385)]