890234512

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{172259}}^1$

素因数の和:172303

約数の個数: 40

約数和(自身を含む): 1922421600

約数和(自身を除く): 1032187088

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 68, 76, 136, 152, 272, 304, 323, 646, 1292, 2584, 5168, 172259, 344518, 689036, 1378072, 2756144, 2928403, 3272921, 5856806, 6545842, 11713612, 13091684, 23427224, 26183368, 46854448, 52366736, 55639657, 111279314, 222558628, 445117256, 890234512]

約数ペア:

[(1, 890234512), (2, 445117256), (4, 222558628), (8, 111279314), (16, 55639657), (17, 52366736), (19, 46854448), (34, 26183368), (38, 23427224), (68, 13091684), (76, 11713612), (136, 6545842), (152, 5856806), (272, 3272921), (304, 2928403), (323, 2756144), (646, 1378072), (1292, 689036), (2584, 344518), (5168, 172259)]