209621000456

素因数分解:

$2^3\times 7^1\times {\mathrm{157}}^1\times {\mathrm{3539}}^1\times {\mathrm{6737}}^1$

素因数の和:10446

約数の個数: 64

約数和(自身を含む): 452243779200

約数和(自身を除く): 242622778744

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 157, 314, 628, 1099, 1256, 2198, 3539, 4396, 6737, 7078, 8792, 13474, 14156, 24773, 26948, 28312, 47159, 49546, 53896, 94318, 99092, 188636, 198184, 377272, 555623, 1057709, 1111246, 2115418, 2222492, 3889361, 4230836, 4444984, 7403963, 7778722, 8461672, 14807926, 15557444, 23842243, 29615852, 31114888, 47684486, 59231704, 95368972, 166895701, 190737944, 333791402, 667582804, 1335165608, 3743232151, 7486464302, 14972928604, 26202625057, 29945857208, 52405250114, 104810500228, 209621000456]

約数ペア:

[(1, 209621000456), (2, 104810500228), (4, 52405250114), (7, 29945857208), (8, 26202625057), (14, 14972928604), (28, 7486464302), (56, 3743232151), (157, 1335165608), (314, 667582804), (628, 333791402), (1099, 190737944), (1256, 166895701), (2198, 95368972), (3539, 59231704), (4396, 47684486), (6737, 31114888), (7078, 29615852), (8792, 23842243), (13474, 15557444), (14156, 14807926), (24773, 8461672), (26948, 7778722), (28312, 7403963), (47159, 4444984), (49546, 4230836), (53896, 3889361), (94318, 2222492), (99092, 2115418), (188636, 1111246), (198184, 1057709), (377272, 555623)]