398581612

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{509}}^1$

素因数の和:611

約数の個数: 72

約数和(自身を含む): 843862320

約数和(自身を除く): 445280708

約数列:

[1, 2, 4, 11, 13, 22, 26, 37, 44, 52, 74, 143, 148, 286, 407, 481, 509, 572, 814, 962, 1018, 1369, 1628, 1924, 2036, 2738, 5291, 5476, 5599, 6617, 10582, 11198, 13234, 15059, 17797, 18833, 21164, 22396, 26468, 30118, 35594, 37666, 60236, 71188, 72787, 75332, 145574, 195767, 207163, 244829, 291148, 391534, 414326, 489658, 696821, 783068, 828652, 979316, 1393642, 2693119, 2787284, 5386238, 7665031, 9058673, 10772476, 15330062, 18117346, 30660124, 36234692, 99645403, 199290806, 398581612]

約数ペア:

[(1, 398581612), (2, 199290806), (4, 99645403), (11, 36234692), (13, 30660124), (22, 18117346), (26, 15330062), (37, 10772476), (44, 9058673), (52, 7665031), (74, 5386238), (143, 2787284), (148, 2693119), (286, 1393642), (407, 979316), (481, 828652), (509, 783068), (572, 696821), (814, 489658), (962, 414326), (1018, 391534), (1369, 291148), (1628, 244829), (1924, 207163), (2036, 195767), (2738, 145574), (5291, 75332), (5476, 72787), (5599, 71188), (6617, 60236), (10582, 37666), (11198, 35594), (13234, 30118), (15059, 26468), (17797, 22396), (18833, 21164)]