201721288385

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{11437}}^1$

素因数の和:11658

約数の個数: 64

約数和(自身を含む): 270383339520

約数和(自身を除く): 68662051135

約数列:

[1, 5, 19, 31, 53, 95, 113, 155, 265, 565, 589, 1007, 1643, 2147, 2945, 3503, 5035, 5989, 8215, 10735, 11437, 17515, 29945, 31217, 57185, 66557, 113791, 156085, 185659, 217303, 332785, 354547, 568955, 606161, 928295, 1086515, 1292381, 1772735, 3030805, 3527521, 6461905, 6736393, 11517059, 17637605, 18790991, 24555239, 33681965, 40063811, 57585295, 68496193, 93954955, 122776195, 200319055, 342480965, 357028829, 761212409, 1301427667, 1785144145, 2123381983, 3806062045, 6507138335, 10616909915, 40344257677, 201721288385]

約数ペア:

[(1, 201721288385), (5, 40344257677), (19, 10616909915), (31, 6507138335), (53, 3806062045), (95, 2123381983), (113, 1785144145), (155, 1301427667), (265, 761212409), (565, 357028829), (589, 342480965), (1007, 200319055), (1643, 122776195), (2147, 93954955), (2945, 68496193), (3503, 57585295), (5035, 40063811), (5989, 33681965), (8215, 24555239), (10735, 18790991), (11437, 17637605), (17515, 11517059), (29945, 6736393), (31217, 6461905), (57185, 3527521), (66557, 3030805), (113791, 1772735), (156085, 1292381), (185659, 1086515), (217303, 928295), (332785, 606161), (354547, 568955)]