349997508

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{421}}^1\times {\mathrm{3299}}^1$

素因数の和:3737

約数の個数: 72

約数和(自身を含む): 1013812800

約数和(自身を除く): 663815292

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 421, 842, 1263, 1684, 2526, 2947, 3299, 3789, 5052, 5894, 6598, 7578, 8841, 9897, 11788, 13196, 15156, 17682, 19794, 23093, 26523, 29691, 35364, 39588, 46186, 53046, 59382, 69279, 92372, 106092, 118764, 138558, 207837, 277116, 415674, 831348, 1388879, 2777758, 4166637, 5555516, 8333274, 9722153, 12499911, 16666548, 19444306, 24999822, 29166459, 38888612, 49999644, 58332918, 87499377, 116665836, 174998754, 349997508]

約数ペア:

[(1, 349997508), (2, 174998754), (3, 116665836), (4, 87499377), (6, 58332918), (7, 49999644), (9, 38888612), (12, 29166459), (14, 24999822), (18, 19444306), (21, 16666548), (28, 12499911), (36, 9722153), (42, 8333274), (63, 5555516), (84, 4166637), (126, 2777758), (252, 1388879), (421, 831348), (842, 415674), (1263, 277116), (1684, 207837), (2526, 138558), (2947, 118764), (3299, 106092), (3789, 92372), (5052, 69279), (5894, 59382), (6598, 53046), (7578, 46186), (8841, 39588), (9897, 35364), (11788, 29691), (13196, 26523), (15156, 23093), (17682, 19794)]