251137288

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{1181}}^1\times {\mathrm{1399}}^1$

素因数の和:2605

約数の個数: 32

約数和(自身を含む): 496440000

約数和(自身を除く): 245302712

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 1181, 1399, 2362, 2798, 4724, 5596, 9448, 11192, 22439, 26581, 44878, 53162, 89756, 106324, 179512, 212648, 1652219, 3304438, 6608876, 13217752, 31392161, 62784322, 125568644, 251137288]

約数ペア:

[(1, 251137288), (2, 125568644), (4, 62784322), (8, 31392161), (19, 13217752), (38, 6608876), (76, 3304438), (152, 1652219), (1181, 212648), (1399, 179512), (2362, 106324), (2798, 89756), (4724, 53162), (5596, 44878), (9448, 26581), (11192, 22439)]