258721372

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1721}}^1$

素因数の和:1811

約数の個数: 72

約数和(自身を含む): 577145520

約数和(自身を除く): 318424148

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 59, 91, 98, 118, 182, 196, 236, 364, 413, 637, 767, 826, 1274, 1534, 1652, 1721, 2548, 2891, 3068, 3442, 5369, 5782, 6884, 10738, 11564, 12047, 21476, 22373, 24094, 37583, 44746, 48188, 75166, 84329, 89492, 101539, 150332, 156611, 168658, 203078, 313222, 337316, 406156, 626444, 710773, 1096277, 1320007, 1421546, 2192554, 2640014, 2843092, 4385108, 4975411, 5280028, 9240049, 9950822, 18480098, 19901644, 36960196, 64680343, 129360686, 258721372]

約数ペア:

[(1, 258721372), (2, 129360686), (4, 64680343), (7, 36960196), (13, 19901644), (14, 18480098), (26, 9950822), (28, 9240049), (49, 5280028), (52, 4975411), (59, 4385108), (91, 2843092), (98, 2640014), (118, 2192554), (182, 1421546), (196, 1320007), (236, 1096277), (364, 710773), (413, 626444), (637, 406156), (767, 337316), (826, 313222), (1274, 203078), (1534, 168658), (1652, 156611), (1721, 150332), (2548, 101539), (2891, 89492), (3068, 84329), (3442, 75166), (5369, 48188), (5782, 44746), (6884, 37583), (10738, 24094), (11564, 22373), (12047, 21476)]