81397558

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{277}}^1$

素因数の和:365

約数の個数: 48

約数和(自身を含む): 144895824

約数和(自身を除く): 63498266

約数列:

[1, 2, 11, 19, 22, 37, 38, 74, 209, 277, 361, 407, 418, 554, 703, 722, 814, 1406, 3047, 3971, 5263, 6094, 7733, 7942, 10249, 10526, 13357, 15466, 20498, 26714, 57893, 99997, 112739, 115786, 146927, 194731, 199994, 225478, 293854, 389462, 1099967, 2142041, 2199934, 3699889, 4284082, 7399778, 40698779, 81397558]

約数ペア:

[(1, 81397558), (2, 40698779), (11, 7399778), (19, 4284082), (22, 3699889), (37, 2199934), (38, 2142041), (74, 1099967), (209, 389462), (277, 293854), (361, 225478), (407, 199994), (418, 194731), (554, 146927), (703, 115786), (722, 112739), (814, 99997), (1406, 57893), (3047, 26714), (3971, 20498), (5263, 15466), (6094, 13357), (7733, 10526), (7942, 10249)]