28684266

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{271}}^1$

素因数の和:371

約数の個数: 64

約数和(自身を含む): 65802240

約数和(自身を除く): 37117974

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 59, 69, 78, 118, 138, 177, 271, 299, 354, 542, 598, 767, 813, 897, 1357, 1534, 1626, 1794, 2301, 2714, 3523, 4071, 4602, 6233, 7046, 8142, 10569, 12466, 15989, 17641, 18699, 21138, 31978, 35282, 37398, 47967, 52923, 81029, 95934, 105846, 162058, 207857, 243087, 367747, 415714, 486174, 623571, 735494, 1103241, 1247142, 2206482, 4780711, 9561422, 14342133, 28684266]

約数ペア:

[(1, 28684266), (2, 14342133), (3, 9561422), (6, 4780711), (13, 2206482), (23, 1247142), (26, 1103241), (39, 735494), (46, 623571), (59, 486174), (69, 415714), (78, 367747), (118, 243087), (138, 207857), (177, 162058), (271, 105846), (299, 95934), (354, 81029), (542, 52923), (598, 47967), (767, 37398), (813, 35282), (897, 31978), (1357, 21138), (1534, 18699), (1626, 17641), (1794, 15989), (2301, 12466), (2714, 10569), (3523, 8142), (4071, 7046), (4602, 6233)]