123251128

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{15391}}^1$

素因数の和:15428

約数の個数: 64

約数和(自身を含む): 310302720

約数和(自身を除く): 187051592

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 143, 154, 182, 286, 308, 364, 572, 616, 728, 1001, 1144, 2002, 4004, 8008, 15391, 30782, 61564, 107737, 123128, 169301, 200083, 215474, 338602, 400166, 430948, 677204, 800332, 861896, 1185107, 1354408, 1400581, 1600664, 2200913, 2370214, 2801162, 4401826, 4740428, 5602324, 8803652, 9480856, 11204648, 15406391, 17607304, 30812782, 61625564, 123251128]

約数ペア:

[(1, 123251128), (2, 61625564), (4, 30812782), (7, 17607304), (8, 15406391), (11, 11204648), (13, 9480856), (14, 8803652), (22, 5602324), (26, 4740428), (28, 4401826), (44, 2801162), (52, 2370214), (56, 2200913), (77, 1600664), (88, 1400581), (91, 1354408), (104, 1185107), (143, 861896), (154, 800332), (182, 677204), (286, 430948), (308, 400166), (364, 338602), (572, 215474), (616, 200083), (728, 169301), (1001, 123128), (1144, 107737), (2002, 61564), (4004, 30782), (8008, 15391)]