16978130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2141}}^1$

素因数の和:2222

約数の個数: 32

約数和(自身を含む): 33466608

約数和(自身を除く): 16488478

約数列:

[1, 2, 5, 10, 13, 26, 61, 65, 122, 130, 305, 610, 793, 1586, 2141, 3965, 4282, 7930, 10705, 21410, 27833, 55666, 130601, 139165, 261202, 278330, 653005, 1306010, 1697813, 3395626, 8489065, 16978130]

約数ペア:

[(1, 16978130), (2, 8489065), (5, 3395626), (10, 1697813), (13, 1306010), (26, 653005), (61, 278330), (65, 261202), (122, 139165), (130, 130601), (305, 55666), (610, 27833), (793, 21410), (1586, 10705), (2141, 7930), (3965, 4282)]