1640641773

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{233}}^1$

素因数の和:450

約数の個数: 64

約数和(自身を含む): 2490808320

約数和(自身を除く): 850166547

約数列:

[1, 3, 19, 23, 41, 57, 69, 123, 131, 233, 393, 437, 699, 779, 943, 1311, 2337, 2489, 2829, 3013, 4427, 5359, 5371, 7467, 9039, 9553, 13281, 16077, 16113, 17917, 28659, 30523, 53751, 57247, 91569, 101821, 102049, 123533, 171741, 181507, 219719, 305463, 306147, 370599, 544521, 579937, 659157, 702029, 1251443, 1739811, 2106087, 2347127, 3754329, 4174661, 7041381, 12523983, 13338551, 23777417, 28783189, 40015653, 71332251, 86349567, 546880591, 1640641773]

約数ペア:

[(1, 1640641773), (3, 546880591), (19, 86349567), (23, 71332251), (41, 40015653), (57, 28783189), (69, 23777417), (123, 13338551), (131, 12523983), (233, 7041381), (393, 4174661), (437, 3754329), (699, 2347127), (779, 2106087), (943, 1739811), (1311, 1251443), (2337, 702029), (2489, 659157), (2829, 579937), (3013, 544521), (4427, 370599), (5359, 306147), (5371, 305463), (7467, 219719), (9039, 181507), (9553, 171741), (13281, 123533), (16077, 102049), (16113, 101821), (17917, 91569), (28659, 57247), (30523, 53751)]