257979148

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{17483}}^1$

素因数の和:17542

約数の個数: 48

約数和(自身を含む): 563963904

約数和(自身を除く): 305984756

約数列:

[1, 2, 4, 7, 14, 17, 28, 31, 34, 62, 68, 119, 124, 217, 238, 434, 476, 527, 868, 1054, 2108, 3689, 7378, 14756, 17483, 34966, 69932, 122381, 244762, 297211, 489524, 541973, 594422, 1083946, 1188844, 2080477, 2167892, 3793811, 4160954, 7587622, 8321908, 9213541, 15175244, 18427082, 36854164, 64494787, 128989574, 257979148]

約数ペア:

[(1, 257979148), (2, 128989574), (4, 64494787), (7, 36854164), (14, 18427082), (17, 15175244), (28, 9213541), (31, 8321908), (34, 7587622), (62, 4160954), (68, 3793811), (119, 2167892), (124, 2080477), (217, 1188844), (238, 1083946), (434, 594422), (476, 541973), (527, 489524), (868, 297211), (1054, 244762), (2108, 122381), (3689, 69932), (7378, 34966), (14756, 17483)]