15561494

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:177

約数の個数: 48

約数和(自身を含む): 28366800

約数和(自身を除く): 12805306

約数列:

[1, 2, 13, 17, 19, 26, 34, 38, 109, 218, 221, 247, 289, 323, 442, 494, 578, 646, 1417, 1853, 2071, 2834, 3706, 3757, 4142, 4199, 5491, 7514, 8398, 10982, 24089, 26923, 31501, 35207, 48178, 53846, 63002, 70414, 71383, 142766, 409513, 457691, 598519, 819026, 915382, 1197038, 7780747, 15561494]

約数ペア:

[(1, 15561494), (2, 7780747), (13, 1197038), (17, 915382), (19, 819026), (26, 598519), (34, 457691), (38, 409513), (109, 142766), (218, 71383), (221, 70414), (247, 63002), (289, 53846), (323, 48178), (442, 35207), (494, 31501), (578, 26923), (646, 24089), (1417, 10982), (1853, 8398), (2071, 7514), (2834, 5491), (3706, 4199), (3757, 4142)]