28764955

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1$

素因数の和:303

約数の個数: 32

約数和(自身を含む): 38491200

約数和(自身を除く): 9726245

約数列:

[1, 5, 19, 29, 53, 95, 145, 197, 265, 551, 985, 1007, 1537, 2755, 3743, 5035, 5713, 7685, 10441, 18715, 28565, 29203, 52205, 108547, 146015, 198379, 302789, 542735, 991895, 1513945, 5752991, 28764955]

約数ペア:

[(1, 28764955), (5, 5752991), (19, 1513945), (29, 991895), (53, 542735), (95, 302789), (145, 198379), (197, 146015), (265, 108547), (551, 52205), (985, 29203), (1007, 28565), (1537, 18715), (2755, 10441), (3743, 7685), (5035, 5713)]