206585275

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{269}}^1$

素因数の和:448

約数の個数: 48

約数和(自身を含む): 295293600

約数和(自身を除く): 88708325

約数列:

[1, 5, 13, 17, 25, 65, 85, 139, 221, 269, 325, 425, 695, 1105, 1345, 1807, 2363, 3475, 3497, 4573, 5525, 6725, 9035, 11815, 17485, 22865, 30719, 37391, 45175, 59075, 59449, 87425, 114325, 153595, 186955, 297245, 486083, 635647, 767975, 934775, 1486225, 2430415, 3178235, 8263411, 12152075, 15891175, 41317055, 206585275]

約数ペア:

[(1, 206585275), (5, 41317055), (13, 15891175), (17, 12152075), (25, 8263411), (65, 3178235), (85, 2430415), (139, 1486225), (221, 934775), (269, 767975), (325, 635647), (425, 486083), (695, 297245), (1105, 186955), (1345, 153595), (1807, 114325), (2363, 87425), (3475, 59449), (3497, 59075), (4573, 45175), (5525, 37391), (6725, 30719), (9035, 22865), (11815, 17485)]