23978228

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{277}}^1$

素因数の和:384

約数の個数: 48

約数和(自身を含む): 47638080

約数和(自身を除く): 23659852

約数列:

[1, 2, 4, 17, 19, 34, 38, 67, 68, 76, 134, 268, 277, 323, 554, 646, 1108, 1139, 1273, 1292, 2278, 2546, 4556, 4709, 5092, 5263, 9418, 10526, 18559, 18836, 21052, 21641, 37118, 43282, 74236, 86564, 89471, 178942, 315503, 352621, 357884, 631006, 705242, 1262012, 1410484, 5994557, 11989114, 23978228]

約数ペア:

[(1, 23978228), (2, 11989114), (4, 5994557), (17, 1410484), (19, 1262012), (34, 705242), (38, 631006), (67, 357884), (68, 352621), (76, 315503), (134, 178942), (268, 89471), (277, 86564), (323, 74236), (554, 43282), (646, 37118), (1108, 21641), (1139, 21052), (1273, 18836), (1292, 18559), (2278, 10526), (2546, 9418), (4556, 5263), (4709, 5092)]