221857452

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{10463}}^1$

素因数の和:10523

約数の個数: 72

約数和(自身を含む): 609423360

約数和(自身を除く): 387565908

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 31, 36, 38, 57, 62, 76, 93, 114, 124, 171, 186, 228, 279, 342, 372, 558, 589, 684, 1116, 1178, 1767, 2356, 3534, 5301, 7068, 10463, 10602, 20926, 21204, 31389, 41852, 62778, 94167, 125556, 188334, 198797, 324353, 376668, 397594, 596391, 648706, 795188, 973059, 1192782, 1297412, 1789173, 1946118, 2385564, 2919177, 3578346, 3892236, 5838354, 6162707, 7156692, 11676708, 12325414, 18488121, 24650828, 36976242, 55464363, 73952484, 110928726, 221857452]

約数ペア:

[(1, 221857452), (2, 110928726), (3, 73952484), (4, 55464363), (6, 36976242), (9, 24650828), (12, 18488121), (18, 12325414), (19, 11676708), (31, 7156692), (36, 6162707), (38, 5838354), (57, 3892236), (62, 3578346), (76, 2919177), (93, 2385564), (114, 1946118), (124, 1789173), (171, 1297412), (186, 1192782), (228, 973059), (279, 795188), (342, 648706), (372, 596391), (558, 397594), (589, 376668), (684, 324353), (1116, 198797), (1178, 188334), (1767, 125556), (2356, 94167), (3534, 62778), (5301, 41852), (7068, 31389), (10463, 21204), (10602, 20926)]