77777964

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{997}}^1$

素因数の和:1215

約数の個数: 72

約数和(自身を含む): 215783568

約数和(自身を除く): 138005604

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 197, 198, 394, 396, 591, 788, 997, 1182, 1773, 1994, 2167, 2364, 2991, 3546, 3988, 4334, 5982, 6501, 7092, 8668, 8973, 10967, 11964, 13002, 17946, 19503, 21934, 26004, 32901, 35892, 39006, 43868, 65802, 78012, 98703, 131604, 196409, 197406, 392818, 394812, 589227, 785636, 1178454, 1767681, 2160499, 2356908, 3535362, 4320998, 6481497, 7070724, 8641996, 12962994, 19444491, 25925988, 38888982, 77777964]

約数ペア:

[(1, 77777964), (2, 38888982), (3, 25925988), (4, 19444491), (6, 12962994), (9, 8641996), (11, 7070724), (12, 6481497), (18, 4320998), (22, 3535362), (33, 2356908), (36, 2160499), (44, 1767681), (66, 1178454), (99, 785636), (132, 589227), (197, 394812), (198, 392818), (394, 197406), (396, 196409), (591, 131604), (788, 98703), (997, 78012), (1182, 65802), (1773, 43868), (1994, 39006), (2167, 35892), (2364, 32901), (2991, 26004), (3546, 21934), (3988, 19503), (4334, 17946), (5982, 13002), (6501, 11964), (7092, 10967), (8668, 8973)]