289688516

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{293207}}^1$

素因数の和:293243

約数の個数: 24

約数和(自身を含む): 574687680

約数和(自身を除く): 284999164

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 293207, 586414, 1172828, 3811691, 5570933, 7623382, 11141866, 15246764, 22283732, 72422129, 144844258, 289688516]

約数ペア:

[(1, 289688516), (2, 144844258), (4, 72422129), (13, 22283732), (19, 15246764), (26, 11141866), (38, 7623382), (52, 5570933), (76, 3811691), (247, 1172828), (494, 586414), (988, 293207)]