72213505

素因数分解:

$5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:159

約数の個数: 64

約数和(自身を含む): 112896000

約数和(自身を除く): 40682495

約数列:

[1, 5, 7, 13, 35, 41, 49, 65, 79, 91, 205, 245, 287, 343, 395, 455, 533, 553, 637, 1027, 1435, 1715, 2009, 2665, 2765, 3185, 3239, 3731, 3871, 4459, 5135, 7189, 10045, 14063, 16195, 18655, 19355, 22295, 22673, 26117, 27097, 35945, 42107, 50323, 70315, 113365, 130585, 135485, 158711, 182819, 210535, 251615, 294749, 352261, 793555, 914095, 1110977, 1473745, 1761305, 2063243, 5554885, 10316215, 14442701, 72213505]

約数ペア:

[(1, 72213505), (5, 14442701), (7, 10316215), (13, 5554885), (35, 2063243), (41, 1761305), (49, 1473745), (65, 1110977), (79, 914095), (91, 793555), (205, 352261), (245, 294749), (287, 251615), (343, 210535), (395, 182819), (455, 158711), (533, 135485), (553, 130585), (637, 113365), (1027, 70315), (1435, 50323), (1715, 42107), (2009, 35945), (2665, 27097), (2765, 26117), (3185, 22673), (3239, 22295), (3731, 19355), (3871, 18655), (4459, 16195), (5135, 14063), (7189, 10045)]