13137025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:142

約数の個数: 48

約数和(自身を含む): 19427328

約数和(自身を除く): 6290303

約数列:

[1, 5, 11, 23, 25, 31, 55, 67, 115, 155, 253, 275, 335, 341, 575, 713, 737, 775, 1265, 1541, 1675, 1705, 2077, 3565, 3685, 6325, 7705, 7843, 8525, 10385, 16951, 17825, 18425, 22847, 38525, 39215, 47771, 51925, 84755, 114235, 196075, 238855, 423775, 525481, 571175, 1194275, 2627405, 13137025]

約数ペア:

[(1, 13137025), (5, 2627405), (11, 1194275), (23, 571175), (25, 525481), (31, 423775), (55, 238855), (67, 196075), (115, 114235), (155, 84755), (253, 51925), (275, 47771), (335, 39215), (341, 38525), (575, 22847), (713, 18425), (737, 17825), (775, 16951), (1265, 10385), (1541, 8525), (1675, 7843), (1705, 7705), (2077, 6325), (3565, 3685)]