42957215

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:168

約数の個数: 64

約数和(自身を含む): 67516416

約数和(自身を除く): 24559201

約数列:

[1, 5, 7, 17, 23, 35, 43, 73, 85, 115, 119, 161, 215, 301, 365, 391, 511, 595, 731, 805, 989, 1241, 1505, 1679, 1955, 2555, 2737, 3139, 3655, 4945, 5117, 6205, 6923, 8395, 8687, 11753, 13685, 15695, 16813, 21973, 25585, 28543, 34615, 43435, 53363, 58765, 72197, 84065, 109865, 117691, 142715, 199801, 266815, 360985, 373541, 505379, 588455, 999005, 1227349, 1867705, 2526895, 6136745, 8591443, 42957215]

約数ペア:

[(1, 42957215), (5, 8591443), (7, 6136745), (17, 2526895), (23, 1867705), (35, 1227349), (43, 999005), (73, 588455), (85, 505379), (115, 373541), (119, 360985), (161, 266815), (215, 199801), (301, 142715), (365, 117691), (391, 109865), (511, 84065), (595, 72197), (731, 58765), (805, 53363), (989, 43435), (1241, 34615), (1505, 28543), (1679, 25585), (1955, 21973), (2555, 16813), (2737, 15695), (3139, 13685), (3655, 11753), (4945, 8687), (5117, 8395), (6205, 6923)]