9979892

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 20020224

約数和(自身を除く): 10040332

約数列:

[1, 2, 4, 13, 26, 31, 41, 52, 62, 82, 124, 151, 164, 302, 403, 533, 604, 806, 1066, 1271, 1612, 1963, 2132, 2542, 3926, 4681, 5084, 6191, 7852, 9362, 12382, 16523, 18724, 24764, 33046, 60853, 66092, 80483, 121706, 160966, 191921, 243412, 321932, 383842, 767684, 2494973, 4989946, 9979892]

約数ペア:

[(1, 9979892), (2, 4989946), (4, 2494973), (13, 767684), (26, 383842), (31, 321932), (41, 243412), (52, 191921), (62, 160966), (82, 121706), (124, 80483), (151, 66092), (164, 60853), (302, 33046), (403, 24764), (533, 18724), (604, 16523), (806, 12382), (1066, 9362), (1271, 7852), (1612, 6191), (1963, 5084), (2132, 4681), (2542, 3926)]