15438124

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 30720256

約数和(自身を除く): 15282132

約数列:

[1, 2, 4, 13, 26, 31, 52, 61, 62, 122, 124, 157, 244, 314, 403, 628, 793, 806, 1586, 1612, 1891, 2041, 3172, 3782, 4082, 4867, 7564, 8164, 9577, 9734, 19154, 19468, 24583, 38308, 49166, 63271, 98332, 124501, 126542, 249002, 253084, 296887, 498004, 593774, 1187548, 3859531, 7719062, 15438124]

約数ペア:

[(1, 15438124), (2, 7719062), (4, 3859531), (13, 1187548), (26, 593774), (31, 498004), (52, 296887), (61, 253084), (62, 249002), (122, 126542), (124, 124501), (157, 98332), (244, 63271), (314, 49166), (403, 38308), (628, 24583), (793, 19468), (806, 19154), (1586, 9734), (1612, 9577), (1891, 8164), (2041, 7564), (3172, 4867), (3782, 4082)]