179172916

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1\times {\mathrm{353}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 348030144

約数和(自身を除く): 168857228

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 227, 353, 454, 559, 706, 908, 1118, 1412, 2236, 2951, 4589, 5902, 9178, 9761, 11804, 15179, 18356, 19522, 30358, 39044, 60716, 80131, 126893, 160262, 197327, 253786, 320524, 394654, 507572, 789308, 1041703, 2083406, 3445633, 4166812, 6891266, 13782532, 44793229, 89586458, 179172916]

約数ペア:

[(1, 179172916), (2, 89586458), (4, 44793229), (13, 13782532), (26, 6891266), (43, 4166812), (52, 3445633), (86, 2083406), (172, 1041703), (227, 789308), (353, 507572), (454, 394654), (559, 320524), (706, 253786), (908, 197327), (1118, 160262), (1412, 126893), (2236, 80131), (2951, 60716), (4589, 39044), (5902, 30358), (9178, 19522), (9761, 18356), (11804, 15179)]