198986768

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{23599}}^1$

素因数の和:23655

約数の個数: 40

約数和(自身を含む): 421401600

約数和(自身を除く): 222414832

約数列:

[1, 2, 4, 8, 16, 17, 31, 34, 62, 68, 124, 136, 248, 272, 496, 527, 1054, 2108, 4216, 8432, 23599, 47198, 94396, 188792, 377584, 401183, 731569, 802366, 1463138, 1604732, 2926276, 3209464, 5852552, 6418928, 11705104, 12436673, 24873346, 49746692, 99493384, 198986768]

約数ペア:

[(1, 198986768), (2, 99493384), (4, 49746692), (8, 24873346), (16, 12436673), (17, 11705104), (31, 6418928), (34, 5852552), (62, 3209464), (68, 2926276), (124, 1604732), (136, 1463138), (248, 802366), (272, 731569), (496, 401183), (527, 377584), (1054, 188792), (2108, 94396), (4216, 47198), (8432, 23599)]