399825384

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{5653}}^1$

素因数の和:6090

約数の個数: 64

約数和(自身を含む): 1145274240

約数和(自身を除く): 745448856

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 421, 842, 1263, 1684, 2526, 2947, 3368, 5052, 5653, 5894, 8841, 10104, 11306, 11788, 16959, 17682, 22612, 23576, 33918, 35364, 39571, 45224, 67836, 70728, 79142, 118713, 135672, 158284, 237426, 316568, 474852, 949704, 2379913, 4759826, 7139739, 9519652, 14279478, 16659391, 19039304, 28558956, 33318782, 49978173, 57117912, 66637564, 99956346, 133275128, 199912692, 399825384]

約数ペア:

[(1, 399825384), (2, 199912692), (3, 133275128), (4, 99956346), (6, 66637564), (7, 57117912), (8, 49978173), (12, 33318782), (14, 28558956), (21, 19039304), (24, 16659391), (28, 14279478), (42, 9519652), (56, 7139739), (84, 4759826), (168, 2379913), (421, 949704), (842, 474852), (1263, 316568), (1684, 237426), (2526, 158284), (2947, 135672), (3368, 118713), (5052, 79142), (5653, 70728), (5894, 67836), (8841, 45224), (10104, 39571), (11306, 35364), (11788, 33918), (16959, 23576), (17682, 22612)]