221409890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{28867}}^1$

素因数の和:28946

約数の個数: 32

約数和(自身を含む): 436484160

約数和(自身を除く): 215074270

約数列:

[1, 2, 5, 10, 13, 26, 59, 65, 118, 130, 295, 590, 767, 1534, 3835, 7670, 28867, 57734, 144335, 288670, 375271, 750542, 1703153, 1876355, 3406306, 3752710, 8515765, 17031530, 22140989, 44281978, 110704945, 221409890]

約数ペア:

[(1, 221409890), (2, 110704945), (5, 44281978), (10, 22140989), (13, 17031530), (26, 8515765), (59, 3752710), (65, 3406306), (118, 1876355), (130, 1703153), (295, 750542), (590, 375271), (767, 288670), (1534, 144335), (3835, 57734), (7670, 28867)]