201620041973

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1\times {\mathrm{317}}^1\times {\mathrm{577}}^1$

素因数の和:1134

約数の個数: 64

約数和(自身を含む): 250914516480

約数和(自身を除く): 49294474507

約数列:

[1, 7, 17, 59, 119, 157, 317, 413, 577, 1003, 1099, 2219, 2669, 4039, 5389, 7021, 9263, 9809, 18683, 18703, 34043, 37723, 49769, 64841, 68663, 90589, 130921, 157471, 182909, 238301, 317951, 348383, 578731, 634123, 846073, 1102297, 1280363, 1540013, 2225657, 2936371, 3109453, 4051117, 5344751, 5922511, 10780091, 10791631, 20554597, 21766171, 28716713, 37413257, 49918307, 75541417, 90860767, 183457727, 201016991, 349428149, 488184121, 636025369, 1284204089, 1694286067, 3417288847, 11860002469, 28802863139, 201620041973]

約数ペア:

[(1, 201620041973), (7, 28802863139), (17, 11860002469), (59, 3417288847), (119, 1694286067), (157, 1284204089), (317, 636025369), (413, 488184121), (577, 349428149), (1003, 201016991), (1099, 183457727), (2219, 90860767), (2669, 75541417), (4039, 49918307), (5389, 37413257), (7021, 28716713), (9263, 21766171), (9809, 20554597), (18683, 10791631), (18703, 10780091), (34043, 5922511), (37723, 5344751), (49769, 4051117), (64841, 3109453), (68663, 2936371), (90589, 2225657), (130921, 1540013), (157471, 1280363), (182909, 1102297), (238301, 846073), (317951, 634123), (348383, 578731)]