331072716

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^2\times {\mathrm{421}}^1$

素因数の和:583

約数の個数: 72

約数和(自身を含む): 845812912

約数和(自身を除く): 514740196

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 71, 78, 142, 156, 213, 284, 421, 426, 842, 852, 923, 1263, 1684, 1846, 2526, 2769, 3692, 5041, 5052, 5473, 5538, 10082, 10946, 11076, 15123, 16419, 20164, 21892, 29891, 30246, 32838, 59782, 60492, 65533, 65676, 89673, 119564, 131066, 179346, 196599, 262132, 358692, 388583, 393198, 777166, 786396, 1165749, 1554332, 2122261, 2331498, 4244522, 4662996, 6366783, 8489044, 12733566, 25467132, 27589393, 55178786, 82768179, 110357572, 165536358, 331072716]

約数ペア:

[(1, 331072716), (2, 165536358), (3, 110357572), (4, 82768179), (6, 55178786), (12, 27589393), (13, 25467132), (26, 12733566), (39, 8489044), (52, 6366783), (71, 4662996), (78, 4244522), (142, 2331498), (156, 2122261), (213, 1554332), (284, 1165749), (421, 786396), (426, 777166), (842, 393198), (852, 388583), (923, 358692), (1263, 262132), (1684, 196599), (1846, 179346), (2526, 131066), (2769, 119564), (3692, 89673), (5041, 65676), (5052, 65533), (5473, 60492), (5538, 59782), (10082, 32838), (10946, 30246), (11076, 29891), (15123, 21892), (16419, 20164)]