13991705

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1$

素因数の和:246

約数の個数: 48

約数和(自身を含む): 22063104

約数和(自身を除く): 8071399

約数列:

[1, 5, 7, 13, 23, 35, 49, 65, 91, 115, 161, 191, 245, 299, 455, 637, 805, 955, 1127, 1337, 1495, 2093, 2483, 3185, 4393, 5635, 6685, 9359, 10465, 12415, 14651, 17381, 21965, 30751, 46795, 57109, 73255, 86905, 121667, 153755, 215257, 285545, 399763, 608335, 1076285, 1998815, 2798341, 13991705]

約数ペア:

[(1, 13991705), (5, 2798341), (7, 1998815), (13, 1076285), (23, 608335), (35, 399763), (49, 285545), (65, 215257), (91, 153755), (115, 121667), (161, 86905), (191, 73255), (245, 57109), (299, 46795), (455, 30751), (637, 21965), (805, 17381), (955, 14651), (1127, 12415), (1337, 10465), (1495, 9359), (2093, 6685), (2483, 5635), (3185, 4393)]