123138988

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{1091}}^1$

素因数の和:1270

約数の個数: 48

約数和(自身を含む): 256838400

約数和(自身を除く): 133699412

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 139, 203, 278, 406, 556, 812, 973, 1091, 1946, 2182, 3892, 4031, 4364, 7637, 8062, 15274, 16124, 28217, 30548, 31639, 56434, 63278, 112868, 126556, 151649, 221473, 303298, 442946, 606596, 885892, 1061543, 2123086, 4246172, 4397821, 8795642, 17591284, 30784747, 61569494, 123138988]

約数ペア:

[(1, 123138988), (2, 61569494), (4, 30784747), (7, 17591284), (14, 8795642), (28, 4397821), (29, 4246172), (58, 2123086), (116, 1061543), (139, 885892), (203, 606596), (278, 442946), (406, 303298), (556, 221473), (812, 151649), (973, 126556), (1091, 112868), (1946, 63278), (2182, 56434), (3892, 31639), (4031, 30548), (4364, 28217), (7637, 16124), (8062, 15274)]