201921363995

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1279}}^1\times {\mathrm{1373}}^1$

素因数の和:2760

約数の個数: 64

約数和(自身を含む): 274782412800

約数和(自身を除く): 72861048805

約数列:

[1, 5, 13, 29, 61, 65, 145, 305, 377, 793, 1279, 1373, 1769, 1885, 3965, 6395, 6865, 8845, 16627, 17849, 22997, 37091, 39817, 78019, 83135, 83753, 89245, 114985, 185455, 199085, 390095, 418765, 482183, 517621, 1014247, 1088789, 1756067, 2262551, 2410915, 2428837, 2588105, 5071235, 5443945, 8780335, 11312755, 12144185, 22828871, 29413163, 31574881, 50925943, 107120087, 114144355, 147065815, 157874405, 254629715, 535600435, 662037259, 1392561131, 3106482523, 3310186295, 6962805655, 15532412615, 40384272799, 201921363995]

約数ペア:

[(1, 201921363995), (5, 40384272799), (13, 15532412615), (29, 6962805655), (61, 3310186295), (65, 3106482523), (145, 1392561131), (305, 662037259), (377, 535600435), (793, 254629715), (1279, 157874405), (1373, 147065815), (1769, 114144355), (1885, 107120087), (3965, 50925943), (6395, 31574881), (6865, 29413163), (8845, 22828871), (16627, 12144185), (17849, 11312755), (22997, 8780335), (37091, 5443945), (39817, 5071235), (78019, 2588105), (83135, 2428837), (83753, 2410915), (89245, 2262551), (114985, 1756067), (185455, 1088789), (199085, 1014247), (390095, 517621), (418765, 482183)]