1213142015

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{14431}}^1$

素因数の和:14519

約数の個数: 32

約数和(自身を含む): 1645940736

約数和(自身を除く): 432798721

約数列:

[1, 5, 17, 23, 43, 85, 115, 215, 391, 731, 989, 1955, 3655, 4945, 14431, 16813, 72155, 84065, 245327, 331913, 620533, 1226635, 1659565, 3102665, 5642521, 10549061, 14272259, 28212605, 52745305, 71361295, 242628403, 1213142015]

約数ペア:

[(1, 1213142015), (5, 242628403), (17, 71361295), (23, 52745305), (43, 28212605), (85, 14272259), (115, 10549061), (215, 5642521), (391, 3102665), (731, 1659565), (989, 1226635), (1955, 620533), (3655, 331913), (4945, 245327), (14431, 84065), (16813, 72155)]