25329759

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:168

約数の個数: 64

約数和(自身を含む): 44556288

約数和(自身を除く): 19226529

約数列:

[1, 3, 7, 13, 21, 31, 39, 41, 73, 91, 93, 123, 217, 219, 273, 287, 403, 511, 533, 651, 861, 949, 1209, 1271, 1533, 1599, 2263, 2821, 2847, 2993, 3731, 3813, 6643, 6789, 8463, 8897, 8979, 11193, 15841, 16523, 19929, 20951, 26691, 29419, 38909, 47523, 49569, 62853, 88257, 92783, 115661, 116727, 205933, 272363, 278349, 346983, 617799, 649481, 817089, 1206179, 1948443, 3618537, 8443253, 25329759]

約数ペア:

[(1, 25329759), (3, 8443253), (7, 3618537), (13, 1948443), (21, 1206179), (31, 817089), (39, 649481), (41, 617799), (73, 346983), (91, 278349), (93, 272363), (123, 205933), (217, 116727), (219, 115661), (273, 92783), (287, 88257), (403, 62853), (511, 49569), (533, 47523), (651, 38909), (861, 29419), (949, 26691), (1209, 20951), (1271, 19929), (1533, 16523), (1599, 15841), (2263, 11193), (2821, 8979), (2847, 8897), (2993, 8463), (3731, 6789), (3813, 6643)]