217946064

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{648649}}^1$

素因数の和:648667

約数の個数: 40

約数和(自身を含む): 643460800

約数和(自身を除く): 425514736

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 648649, 1297298, 1945947, 2594596, 3891894, 4540543, 5189192, 7783788, 9081086, 10378384, 13621629, 15567576, 18162172, 27243258, 31135152, 36324344, 54486516, 72648688, 108973032, 217946064]

約数ペア:

[(1, 217946064), (2, 108973032), (3, 72648688), (4, 54486516), (6, 36324344), (7, 31135152), (8, 27243258), (12, 18162172), (14, 15567576), (16, 13621629), (21, 10378384), (24, 9081086), (28, 7783788), (42, 5189192), (48, 4540543), (56, 3891894), (84, 2594596), (112, 1945947), (168, 1297298), (336, 648649)]