74447984

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{997}}^1$

素因数の和:1377

約数の個数: 40

約数和(自身を含む): 155927520

約数和(自身を除く): 81479536

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 359, 718, 997, 1436, 1994, 2872, 3988, 4667, 5744, 7976, 9334, 12961, 15952, 18668, 25922, 37336, 51844, 74672, 103688, 207376, 357923, 715846, 1431692, 2863384, 4652999, 5726768, 9305998, 18611996, 37223992, 74447984]

約数ペア:

[(1, 74447984), (2, 37223992), (4, 18611996), (8, 9305998), (13, 5726768), (16, 4652999), (26, 2863384), (52, 1431692), (104, 715846), (208, 357923), (359, 207376), (718, 103688), (997, 74672), (1436, 51844), (1994, 37336), (2872, 25922), (3988, 18668), (4667, 15952), (5744, 12961), (7976, 9334)]