31745675

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:192

約数の個数: 48

約数和(自身を含む): 45934560

約数和(自身を除く): 14188885

約数列:

[1, 5, 13, 19, 25, 53, 65, 95, 97, 247, 265, 325, 475, 485, 689, 1007, 1235, 1261, 1325, 1843, 2425, 3445, 5035, 5141, 6175, 6305, 9215, 13091, 17225, 23959, 25175, 25705, 31525, 46075, 65455, 66833, 97679, 119795, 128525, 327275, 334165, 488395, 598975, 1269827, 1670825, 2441975, 6349135, 31745675]

約数ペア:

[(1, 31745675), (5, 6349135), (13, 2441975), (19, 1670825), (25, 1269827), (53, 598975), (65, 488395), (95, 334165), (97, 327275), (247, 128525), (265, 119795), (325, 97679), (475, 66833), (485, 65455), (689, 46075), (1007, 31525), (1235, 25705), (1261, 25175), (1325, 23959), (1843, 17225), (2425, 13091), (3445, 9215), (5035, 6305), (5141, 6175)]