278651164

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1\times {\mathrm{1097}}^1$

素因数の和:1386

約数の個数: 48

約数和(自身を含む): 557819136

約数和(自身を除く): 279167972

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 251, 253, 502, 506, 1004, 1012, 1097, 2194, 2761, 4388, 5522, 5773, 11044, 11546, 12067, 23092, 24134, 25231, 48268, 50462, 63503, 100924, 127006, 254012, 275347, 277541, 550694, 555082, 1101388, 1110164, 3028817, 6057634, 6332981, 12115268, 12665962, 25331924, 69662791, 139325582, 278651164]

約数ペア:

[(1, 278651164), (2, 139325582), (4, 69662791), (11, 25331924), (22, 12665962), (23, 12115268), (44, 6332981), (46, 6057634), (92, 3028817), (251, 1110164), (253, 1101388), (502, 555082), (506, 550694), (1004, 277541), (1012, 275347), (1097, 254012), (2194, 127006), (2761, 100924), (4388, 63503), (5522, 50462), (5773, 48268), (11044, 25231), (11546, 24134), (12067, 23092)]