191451428

素因数分解:

$2^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{239}}^1$

素因数の和:385

約数の個数: 72

約数和(自身を含む): 403724160

約数和(自身を除く): 212272732

約数列:

[1, 2, 4, 7, 14, 28, 49, 61, 67, 98, 122, 134, 196, 239, 244, 268, 427, 469, 478, 854, 938, 956, 1673, 1708, 1876, 2989, 3283, 3346, 4087, 5978, 6566, 6692, 8174, 11711, 11956, 13132, 14579, 16013, 16348, 23422, 28609, 29158, 32026, 46844, 57218, 58316, 64052, 102053, 112091, 114436, 200263, 204106, 224182, 400526, 408212, 448364, 714371, 784637, 801052, 976793, 1428742, 1569274, 1953586, 2857484, 3138548, 3907172, 6837551, 13675102, 27350204, 47862857, 95725714, 191451428]

約数ペア:

[(1, 191451428), (2, 95725714), (4, 47862857), (7, 27350204), (14, 13675102), (28, 6837551), (49, 3907172), (61, 3138548), (67, 2857484), (98, 1953586), (122, 1569274), (134, 1428742), (196, 976793), (239, 801052), (244, 784637), (268, 714371), (427, 448364), (469, 408212), (478, 400526), (854, 224182), (938, 204106), (956, 200263), (1673, 114436), (1708, 112091), (1876, 102053), (2989, 64052), (3283, 58316), (3346, 57218), (4087, 46844), (5978, 32026), (6566, 29158), (6692, 28609), (8174, 23422), (11711, 16348), (11956, 16013), (13132, 14579)]