30978454

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{643}}^1$

素因数の和:784

約数の個数: 32

約数和(自身を含む): 53555040

約数和(自身を除く): 22576586

約数列:

[1, 2, 13, 17, 26, 34, 109, 218, 221, 442, 643, 1286, 1417, 1853, 2834, 3706, 8359, 10931, 16718, 21862, 24089, 48178, 70087, 140174, 142103, 284206, 911131, 1191479, 1822262, 2382958, 15489227, 30978454]

約数ペア:

[(1, 30978454), (2, 15489227), (13, 2382958), (17, 1822262), (26, 1191479), (34, 911131), (109, 284206), (218, 142103), (221, 140174), (442, 70087), (643, 48178), (1286, 24089), (1417, 21862), (1853, 16718), (2834, 10931), (3706, 8359)]