221645928

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{1319321}}^1$

素因数の和:1319337

約数の個数: 32

約数和(自身を含む): 633274560

約数和(自身を除く): 411628632

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 1319321, 2638642, 3957963, 5277284, 7915926, 9235247, 10554568, 15831852, 18470494, 27705741, 31663704, 36940988, 55411482, 73881976, 110822964, 221645928]

約数ペア:

[(1, 221645928), (2, 110822964), (3, 73881976), (4, 55411482), (6, 36940988), (7, 31663704), (8, 27705741), (12, 18470494), (14, 15831852), (21, 10554568), (24, 9235247), (28, 7915926), (42, 5277284), (56, 3957963), (84, 2638642), (168, 1319321)]