221288292

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{2389}}^1$

素因数の和:2513

約数の個数: 72

約数和(自身を含む): 584613120

約数和(自身を除く): 363324828

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 83, 93, 124, 166, 186, 249, 279, 332, 372, 498, 558, 747, 996, 1116, 1494, 2389, 2573, 2988, 4778, 5146, 7167, 7719, 9556, 10292, 14334, 15438, 21501, 23157, 28668, 30876, 43002, 46314, 74059, 86004, 92628, 148118, 198287, 222177, 296236, 396574, 444354, 594861, 666531, 793148, 888708, 1189722, 1333062, 1784583, 2379444, 2666124, 3569166, 6146897, 7138332, 12293794, 18440691, 24587588, 36881382, 55322073, 73762764, 110644146, 221288292]

約数ペア:

[(1, 221288292), (2, 110644146), (3, 73762764), (4, 55322073), (6, 36881382), (9, 24587588), (12, 18440691), (18, 12293794), (31, 7138332), (36, 6146897), (62, 3569166), (83, 2666124), (93, 2379444), (124, 1784583), (166, 1333062), (186, 1189722), (249, 888708), (279, 793148), (332, 666531), (372, 594861), (498, 444354), (558, 396574), (747, 296236), (996, 222177), (1116, 198287), (1494, 148118), (2389, 92628), (2573, 86004), (2988, 74059), (4778, 46314), (5146, 43002), (7167, 30876), (7719, 28668), (9556, 23157), (10292, 21501), (14334, 15438)]