16990596

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{191}}^1\times {\mathrm{353}}^1$

素因数の和:561

約数の個数: 72

約数和(自身を含む): 49480704

約数和(自身を除く): 32490108

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 191, 252, 353, 382, 573, 706, 764, 1059, 1146, 1337, 1412, 1719, 2118, 2292, 2471, 2674, 3177, 3438, 4011, 4236, 4942, 5348, 6354, 6876, 7413, 8022, 9884, 12033, 12708, 14826, 16044, 22239, 24066, 29652, 44478, 48132, 67423, 88956, 134846, 202269, 269692, 404538, 471961, 606807, 809076, 943922, 1213614, 1415883, 1887844, 2427228, 2831766, 4247649, 5663532, 8495298, 16990596]

約数ペア:

[(1, 16990596), (2, 8495298), (3, 5663532), (4, 4247649), (6, 2831766), (7, 2427228), (9, 1887844), (12, 1415883), (14, 1213614), (18, 943922), (21, 809076), (28, 606807), (36, 471961), (42, 404538), (63, 269692), (84, 202269), (126, 134846), (191, 88956), (252, 67423), (353, 48132), (382, 44478), (573, 29652), (706, 24066), (764, 22239), (1059, 16044), (1146, 14826), (1337, 12708), (1412, 12033), (1719, 9884), (2118, 8022), (2292, 7413), (2471, 6876), (2674, 6354), (3177, 5348), (3438, 4942), (4011, 4236)]