25519812

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:225

約数の個数: 72

約数和(自身を含む): 64776096

約数和(自身を除く): 39256284

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 43, 57, 76, 86, 114, 129, 137, 172, 228, 258, 274, 361, 411, 516, 548, 722, 817, 822, 1083, 1444, 1634, 1644, 2166, 2451, 2603, 3268, 4332, 4902, 5206, 5891, 7809, 9804, 10412, 11782, 15523, 15618, 17673, 23564, 31046, 31236, 35346, 46569, 49457, 62092, 70692, 93138, 98914, 111929, 148371, 186276, 197828, 223858, 296742, 335787, 447716, 593484, 671574, 1343148, 2126651, 4253302, 6379953, 8506604, 12759906, 25519812]

約数ペア:

[(1, 25519812), (2, 12759906), (3, 8506604), (4, 6379953), (6, 4253302), (12, 2126651), (19, 1343148), (38, 671574), (43, 593484), (57, 447716), (76, 335787), (86, 296742), (114, 223858), (129, 197828), (137, 186276), (172, 148371), (228, 111929), (258, 98914), (274, 93138), (361, 70692), (411, 62092), (516, 49457), (548, 46569), (722, 35346), (817, 31236), (822, 31046), (1083, 23564), (1444, 17673), (1634, 15618), (1644, 15523), (2166, 11782), (2451, 10412), (2603, 9804), (3268, 7809), (4332, 5891), (4902, 5206)]