199919692

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{1747}}^1$

素因数の和:1886

約数の個数: 48

約数和(自身を含む): 412695808

約数和(自身を除く): 212776116

約数列:

[1, 2, 4, 7, 14, 28, 61, 67, 122, 134, 244, 268, 427, 469, 854, 938, 1708, 1747, 1876, 3494, 4087, 6988, 8174, 12229, 16348, 24458, 28609, 48916, 57218, 106567, 114436, 117049, 213134, 234098, 426268, 468196, 745969, 819343, 1491938, 1638686, 2983876, 3277372, 7139989, 14279978, 28559956, 49979923, 99959846, 199919692]

約数ペア:

[(1, 199919692), (2, 99959846), (4, 49979923), (7, 28559956), (14, 14279978), (28, 7139989), (61, 3277372), (67, 2983876), (122, 1638686), (134, 1491938), (244, 819343), (268, 745969), (427, 468196), (469, 426268), (854, 234098), (938, 213134), (1708, 117049), (1747, 114436), (1876, 106567), (3494, 57218), (4087, 48916), (6988, 28609), (8174, 24458), (12229, 16348)]