28020512

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{349}}^1$

素因数の和:565

約数の個数: 48

約数和(自身を含む): 59887800

約数和(自身を除く): 31867288

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 193, 208, 349, 386, 416, 698, 772, 1396, 1544, 2509, 2792, 3088, 4537, 5018, 5584, 6176, 9074, 10036, 11168, 18148, 20072, 36296, 40144, 67357, 72592, 80288, 134714, 145184, 269428, 538856, 875641, 1077712, 1751282, 2155424, 3502564, 7005128, 14010256, 28020512]

約数ペア:

[(1, 28020512), (2, 14010256), (4, 7005128), (8, 3502564), (13, 2155424), (16, 1751282), (26, 1077712), (32, 875641), (52, 538856), (104, 269428), (193, 145184), (208, 134714), (349, 80288), (386, 72592), (416, 67357), (698, 40144), (772, 36296), (1396, 20072), (1544, 18148), (2509, 11168), (2792, 10036), (3088, 9074), (4537, 6176), (5018, 5584)]