13238225

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2$

素因数の和:87

約数の個数: 72

約数和(自身を含む): 23040192

約数和(自身を除く): 9801967

約数列:

[1, 5, 7, 11, 13, 23, 25, 35, 55, 65, 77, 91, 115, 143, 161, 175, 253, 275, 299, 325, 385, 455, 529, 575, 715, 805, 1001, 1265, 1495, 1771, 1925, 2093, 2275, 2645, 3289, 3575, 3703, 4025, 5005, 5819, 6325, 6877, 7475, 8855, 10465, 13225, 16445, 18515, 23023, 25025, 29095, 34385, 40733, 44275, 48139, 52325, 75647, 82225, 92575, 115115, 145475, 171925, 203665, 240695, 378235, 529529, 575575, 1018325, 1203475, 1891175, 2647645, 13238225]

約数ペア:

[(1, 13238225), (5, 2647645), (7, 1891175), (11, 1203475), (13, 1018325), (23, 575575), (25, 529529), (35, 378235), (55, 240695), (65, 203665), (77, 171925), (91, 145475), (115, 115115), (143, 92575), (161, 82225), (175, 75647), (253, 52325), (275, 48139), (299, 44275), (325, 40733), (385, 34385), (455, 29095), (529, 25025), (575, 23023), (715, 18515), (805, 16445), (1001, 13225), (1265, 10465), (1495, 8855), (1771, 7475), (1925, 6877), (2093, 6325), (2275, 5819), (2645, 5005), (3289, 4025), (3575, 3703)]