2019975965

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{751}}^1$

素因数の和:898

約数の個数: 64

約数和(自身を含む): 2984706048

約数和(自身を除く): 964730083

約数列:

[1, 5, 7, 31, 35, 37, 67, 155, 185, 217, 259, 335, 469, 751, 1085, 1147, 1295, 2077, 2345, 2479, 3755, 5257, 5735, 8029, 10385, 12395, 14539, 17353, 23281, 26285, 27787, 40145, 50317, 72695, 76849, 86765, 116405, 138935, 162967, 194509, 251585, 352219, 384245, 537943, 814835, 861397, 972545, 1559827, 1761095, 1861729, 2689715, 4306985, 6029779, 7799135, 9308645, 10918789, 13032103, 30148895, 54593945, 57713599, 65160515, 288567995, 403995193, 2019975965]

約数ペア:

[(1, 2019975965), (5, 403995193), (7, 288567995), (31, 65160515), (35, 57713599), (37, 54593945), (67, 30148895), (155, 13032103), (185, 10918789), (217, 9308645), (259, 7799135), (335, 6029779), (469, 4306985), (751, 2689715), (1085, 1861729), (1147, 1761095), (1295, 1559827), (2077, 972545), (2345, 861397), (2479, 814835), (3755, 537943), (5257, 384245), (5735, 352219), (8029, 251585), (10385, 194509), (12395, 162967), (14539, 138935), (17353, 116405), (23281, 86765), (26285, 76849), (27787, 72695), (40145, 50317)]