647404772

素因数分解:

$2^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{349}}^1\times {\mathrm{683}}^1$

素因数の和:1140

約数の個数: 48

約数和(自身を含む): 1313827200

約数和(自身を除く): 666422428

約数列:

[1, 2, 4, 7, 14, 28, 97, 194, 349, 388, 679, 683, 698, 1358, 1366, 1396, 2443, 2716, 2732, 4781, 4886, 9562, 9772, 19124, 33853, 66251, 67706, 132502, 135412, 236971, 238367, 265004, 463757, 473942, 476734, 927514, 947884, 953468, 1668569, 1855028, 3337138, 6674276, 23121599, 46243198, 92486396, 161851193, 323702386, 647404772]

約数ペア:

[(1, 647404772), (2, 323702386), (4, 161851193), (7, 92486396), (14, 46243198), (28, 23121599), (97, 6674276), (194, 3337138), (349, 1855028), (388, 1668569), (679, 953468), (683, 947884), (698, 927514), (1358, 476734), (1366, 473942), (1396, 463757), (2443, 265004), (2716, 238367), (2732, 236971), (4781, 135412), (4886, 132502), (9562, 67706), (9772, 66251), (19124, 33853)]