12931240688

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{203117}}^1$

素因数の和:203321

約数の個数: 40

約数和(自身を含む): 26294843808

約数和(自身を除く): 13363603120

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 173, 184, 346, 368, 692, 1384, 2768, 3979, 7958, 15916, 31832, 63664, 203117, 406234, 812468, 1624936, 3249872, 4671691, 9343382, 18686764, 35139241, 37373528, 70278482, 74747056, 140556964, 281113928, 562227856, 808202543, 1616405086, 3232810172, 6465620344, 12931240688]

約数ペア:

[(1, 12931240688), (2, 6465620344), (4, 3232810172), (8, 1616405086), (16, 808202543), (23, 562227856), (46, 281113928), (92, 140556964), (173, 74747056), (184, 70278482), (346, 37373528), (368, 35139241), (692, 18686764), (1384, 9343382), (2768, 4671691), (3979, 3249872), (7958, 1624936), (15916, 812468), (31832, 406234), (63664, 203117)]