18427606561

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{181}}^1\times {\mathrm{223}}^1$

素因数の和:626

約数の個数: 64

約数和(自身を含む): 23834603520

約数和(自身を除く): 5406996959

約数列:

[1, 7, 13, 29, 91, 173, 181, 203, 223, 377, 1211, 1267, 1561, 2249, 2353, 2639, 2899, 5017, 5249, 6467, 15743, 16471, 20293, 31313, 35119, 36743, 38579, 40363, 45269, 65221, 68237, 84071, 219191, 270053, 282541, 407069, 456547, 477659, 501527, 524719, 588497, 908077, 1118791, 1170527, 2849483, 3510689, 3673033, 6356539, 6982799, 7831537, 8193689, 11805001, 14544283, 15216851, 48879593, 82635007, 90776387, 101809981, 106517957, 202501171, 635434709, 1417508197, 2632515223, 18427606561]

約数ペア:

[(1, 18427606561), (7, 2632515223), (13, 1417508197), (29, 635434709), (91, 202501171), (173, 106517957), (181, 101809981), (203, 90776387), (223, 82635007), (377, 48879593), (1211, 15216851), (1267, 14544283), (1561, 11805001), (2249, 8193689), (2353, 7831537), (2639, 6982799), (2899, 6356539), (5017, 3673033), (5249, 3510689), (6467, 2849483), (15743, 1170527), (16471, 1118791), (20293, 908077), (31313, 588497), (35119, 524719), (36743, 501527), (38579, 477659), (40363, 456547), (45269, 407069), (65221, 282541), (68237, 270053), (84071, 219191)]