209834996

素因数分解:

$2^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{251}}^1\times {\mathrm{409}}^1$

素因数の和:744

約数の個数: 48

約数和(自身を含む): 428158080

約数和(自身を除く): 218323084

約数列:

[1, 2, 4, 7, 14, 28, 73, 146, 251, 292, 409, 502, 511, 818, 1004, 1022, 1636, 1757, 2044, 2863, 3514, 5726, 7028, 11452, 18323, 29857, 36646, 59714, 73292, 102659, 119428, 128261, 205318, 208999, 256522, 410636, 417998, 513044, 718613, 835996, 1437226, 2874452, 7494107, 14988214, 29976428, 52458749, 104917498, 209834996]

約数ペア:

[(1, 209834996), (2, 104917498), (4, 52458749), (7, 29976428), (14, 14988214), (28, 7494107), (73, 2874452), (146, 1437226), (251, 835996), (292, 718613), (409, 513044), (502, 417998), (511, 410636), (818, 256522), (1004, 208999), (1022, 205318), (1636, 128261), (1757, 119428), (2044, 102659), (2863, 73292), (3514, 59714), (5726, 36646), (7028, 29857), (11452, 18323)]