1217407972

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{257}}^1\times {\mathrm{541}}^1$

素因数の和:1012

約数の個数: 48

約数和(自身を含む): 2349244800

約数和(自身を除く): 1131836828

約数列:

[1, 2, 4, 11, 22, 44, 199, 257, 398, 514, 541, 796, 1028, 1082, 2164, 2189, 2827, 4378, 5654, 5951, 8756, 11308, 11902, 23804, 51143, 102286, 107659, 139037, 204572, 215318, 278074, 430636, 556148, 562573, 1125146, 1184249, 1529407, 2250292, 2368498, 3058814, 4736996, 6117628, 27668363, 55336726, 110673452, 304351993, 608703986, 1217407972]

約数ペア:

[(1, 1217407972), (2, 608703986), (4, 304351993), (11, 110673452), (22, 55336726), (44, 27668363), (199, 6117628), (257, 4736996), (398, 3058814), (514, 2368498), (541, 2250292), (796, 1529407), (1028, 1184249), (1082, 1125146), (2164, 562573), (2189, 556148), (2827, 430636), (4378, 278074), (5654, 215318), (5951, 204572), (8756, 139037), (11308, 107659), (11902, 102286), (23804, 51143)]