64659490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{359}}^1$

素因数の和:487

約数の個数: 64

約数和(自身を含む): 139345920

約数和(自身を除く): 74686430

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 83, 155, 166, 217, 310, 359, 415, 434, 581, 718, 830, 1085, 1162, 1795, 2170, 2513, 2573, 2905, 3590, 5026, 5146, 5810, 11129, 12565, 12865, 18011, 22258, 25130, 25730, 29797, 36022, 55645, 59594, 77903, 90055, 111290, 148985, 155806, 180110, 208579, 297970, 389515, 417158, 779030, 923707, 1042895, 1847414, 2085790, 4618535, 6465949, 9237070, 12931898, 32329745, 64659490]

約数ペア:

[(1, 64659490), (2, 32329745), (5, 12931898), (7, 9237070), (10, 6465949), (14, 4618535), (31, 2085790), (35, 1847414), (62, 1042895), (70, 923707), (83, 779030), (155, 417158), (166, 389515), (217, 297970), (310, 208579), (359, 180110), (415, 155806), (434, 148985), (581, 111290), (718, 90055), (830, 77903), (1085, 59594), (1162, 55645), (1795, 36022), (2170, 29797), (2513, 25730), (2573, 25130), (2905, 22258), (3590, 18011), (5026, 12865), (5146, 12565), (5810, 11129)]