81863262

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{1583}}^1$

素因数の和:1634

約数の個数: 72

約数和(自身を含む): 203490144

約数和(自身を除く): 121626882

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 169, 221, 234, 306, 338, 442, 507, 663, 1014, 1326, 1521, 1583, 1989, 2873, 3042, 3166, 3978, 4749, 5746, 8619, 9498, 14247, 17238, 20579, 25857, 26911, 28494, 41158, 51714, 53822, 61737, 80733, 123474, 161466, 185211, 242199, 267527, 349843, 370422, 484398, 535054, 699686, 802581, 1049529, 1605162, 2099058, 2407743, 3148587, 4547959, 4815486, 6297174, 9095918, 13643877, 27287754, 40931631, 81863262]

約数ペア:

[(1, 81863262), (2, 40931631), (3, 27287754), (6, 13643877), (9, 9095918), (13, 6297174), (17, 4815486), (18, 4547959), (26, 3148587), (34, 2407743), (39, 2099058), (51, 1605162), (78, 1049529), (102, 802581), (117, 699686), (153, 535054), (169, 484398), (221, 370422), (234, 349843), (306, 267527), (338, 242199), (442, 185211), (507, 161466), (663, 123474), (1014, 80733), (1326, 61737), (1521, 53822), (1583, 51714), (1989, 41158), (2873, 28494), (3042, 26911), (3166, 25857), (3978, 20579), (4749, 17238), (5746, 14247), (8619, 9498)]