213476428

素因数分解:

$2^2\times {\mathrm{11}}^3\times {\mathrm{101}}^1\times {\mathrm{397}}^1$

素因数の和:535

約数の個数: 48

約数和(自身を含む): 416027808

約数和(自身を除く): 202551380

約数列:

[1, 2, 4, 11, 22, 44, 101, 121, 202, 242, 397, 404, 484, 794, 1111, 1331, 1588, 2222, 2662, 4367, 4444, 5324, 8734, 12221, 17468, 24442, 40097, 48037, 48884, 80194, 96074, 134431, 160388, 192148, 268862, 441067, 528407, 537724, 882134, 1056814, 1764268, 2113628, 4851737, 9703474, 19406948, 53369107, 106738214, 213476428]

約数ペア:

[(1, 213476428), (2, 106738214), (4, 53369107), (11, 19406948), (22, 9703474), (44, 4851737), (101, 2113628), (121, 1764268), (202, 1056814), (242, 882134), (397, 537724), (404, 528407), (484, 441067), (794, 268862), (1111, 192148), (1331, 160388), (1588, 134431), (2222, 96074), (2662, 80194), (4367, 48884), (4444, 48037), (5324, 40097), (8734, 24442), (12221, 17468)]