2159699425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^2\times {\mathrm{83}}^1$

素因数の和:247

約数の個数: 72

約数和(自身を含む): 3098176704

約数和(自身を除く): 938477279

約数列:

[1, 5, 13, 23, 25, 59, 65, 83, 115, 295, 299, 325, 415, 575, 767, 1079, 1357, 1475, 1495, 1909, 2075, 3481, 3835, 4897, 5395, 6785, 7475, 9545, 17405, 17641, 19175, 24485, 24817, 26975, 33925, 45253, 47725, 63661, 80063, 87025, 88205, 112631, 122425, 124085, 226265, 288923, 318305, 400315, 441025, 563155, 620425, 1040819, 1131325, 1444615, 1464203, 1591525, 2001575, 2815775, 3755999, 5204095, 6645229, 7223075, 7321015, 18779995, 26020475, 33226145, 36605075, 86387977, 93899975, 166130725, 431939885, 2159699425]

約数ペア:

[(1, 2159699425), (5, 431939885), (13, 166130725), (23, 93899975), (25, 86387977), (59, 36605075), (65, 33226145), (83, 26020475), (115, 18779995), (295, 7321015), (299, 7223075), (325, 6645229), (415, 5204095), (575, 3755999), (767, 2815775), (1079, 2001575), (1357, 1591525), (1475, 1464203), (1495, 1444615), (1909, 1131325), (2075, 1040819), (3481, 620425), (3835, 563155), (4897, 441025), (5395, 400315), (6785, 318305), (7475, 288923), (9545, 226265), (17405, 124085), (17641, 122425), (19175, 112631), (24485, 88205), (24817, 87025), (26975, 80063), (33925, 63661), (45253, 47725)]