221897424

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{660409}}^1$

素因数の和:660427

約数の個数: 40

約数和(自身を含む): 655126720

約数和(自身を除く): 433229296

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 660409, 1320818, 1981227, 2641636, 3962454, 4622863, 5283272, 7924908, 9245726, 10566544, 13868589, 15849816, 18491452, 27737178, 31699632, 36982904, 55474356, 73965808, 110948712, 221897424]

約数ペア:

[(1, 221897424), (2, 110948712), (3, 73965808), (4, 55474356), (6, 36982904), (7, 31699632), (8, 27737178), (12, 18491452), (14, 15849816), (16, 13868589), (21, 10566544), (24, 9245726), (28, 7924908), (42, 5283272), (48, 4622863), (56, 3962454), (84, 2641636), (112, 1981227), (168, 1320818), (336, 660409)]