661254412

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^2\times {\mathrm{19963}}^1$

素因数の和:20007

約数の個数: 54

約数和(自身を含む): 1457711388

約数和(自身を除く): 796456976

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 169, 182, 196, 338, 364, 637, 676, 1183, 1274, 2366, 2548, 4732, 8281, 16562, 19963, 33124, 39926, 79852, 139741, 259519, 279482, 519038, 558964, 978187, 1038076, 1816633, 1956374, 3373747, 3633266, 3912748, 6747494, 7266532, 12716431, 13494988, 23616229, 25432862, 47232458, 50865724, 94464916, 165313603, 330627206, 661254412]

約数ペア:

[(1, 661254412), (2, 330627206), (4, 165313603), (7, 94464916), (13, 50865724), (14, 47232458), (26, 25432862), (28, 23616229), (49, 13494988), (52, 12716431), (91, 7266532), (98, 6747494), (169, 3912748), (182, 3633266), (196, 3373747), (338, 1956374), (364, 1816633), (637, 1038076), (676, 978187), (1183, 558964), (1274, 519038), (2366, 279482), (2548, 259519), (4732, 139741), (8281, 79852), (16562, 39926), (19963, 33124)]