203437325

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{401}}^1$

素因数の和:654

約数の個数: 48

約数和(自身を含む): 312646656

約数和(自身を除く): 109209331

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 175, 223, 325, 401, 455, 1115, 1561, 2005, 2275, 2807, 2899, 5213, 5575, 7805, 10025, 14035, 14495, 20293, 26065, 36491, 39025, 70175, 72475, 89423, 101465, 130325, 182455, 447115, 507325, 625961, 912275, 1162499, 2235575, 3129805, 5812495, 8137493, 15649025, 29062475, 40687465, 203437325]

約数ペア:

[(1, 203437325), (5, 40687465), (7, 29062475), (13, 15649025), (25, 8137493), (35, 5812495), (65, 3129805), (91, 2235575), (175, 1162499), (223, 912275), (325, 625961), (401, 507325), (455, 447115), (1115, 182455), (1561, 130325), (2005, 101465), (2275, 89423), (2807, 72475), (2899, 70175), (5213, 39025), (5575, 36491), (7805, 26065), (10025, 20293), (14035, 14495)]