211161990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{7417}}^1$

素因数の和:7513

約数の個数: 64

約数和(自身を含む): 553323456

約数和(自身を除く): 342161466

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 73, 78, 130, 146, 195, 219, 365, 390, 438, 730, 949, 1095, 1898, 2190, 2847, 4745, 5694, 7417, 9490, 14235, 14834, 22251, 28470, 37085, 44502, 74170, 96421, 111255, 192842, 222510, 289263, 482105, 541441, 578526, 964210, 1082882, 1446315, 1624323, 2707205, 2892630, 3248646, 5414410, 7038733, 8121615, 14077466, 16243230, 21116199, 35193665, 42232398, 70387330, 105580995, 211161990]

約数ペア:

[(1, 211161990), (2, 105580995), (3, 70387330), (5, 42232398), (6, 35193665), (10, 21116199), (13, 16243230), (15, 14077466), (26, 8121615), (30, 7038733), (39, 5414410), (65, 3248646), (73, 2892630), (78, 2707205), (130, 1624323), (146, 1446315), (195, 1082882), (219, 964210), (365, 578526), (390, 541441), (438, 482105), (730, 289263), (949, 222510), (1095, 192842), (1898, 111255), (2190, 96421), (2847, 74170), (4745, 44502), (5694, 37085), (7417, 28470), (9490, 22251), (14235, 14834)]