81828390

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{389659}}^1$

素因数の和:389676

約数の個数: 32

約数和(自身を含む): 224444160

約数和(自身を除く): 142615770

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 389659, 779318, 1168977, 1948295, 2337954, 2727613, 3896590, 5455226, 5844885, 8182839, 11689770, 13638065, 16365678, 27276130, 40914195, 81828390]

約数ペア:

[(1, 81828390), (2, 40914195), (3, 27276130), (5, 16365678), (6, 13638065), (7, 11689770), (10, 8182839), (14, 5844885), (15, 5455226), (21, 3896590), (30, 2727613), (35, 2337954), (42, 1948295), (70, 1168977), (105, 779318), (210, 389659)]