738992020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{8191}}^1$

素因数の和:8560

約数の個数: 48

約数和(自身を含む): 1676279808

約数和(自身を除く): 937287788

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 347, 694, 1388, 1735, 3470, 4511, 6940, 8191, 9022, 16382, 18044, 22555, 32764, 40955, 45110, 81910, 90220, 106483, 163820, 212966, 425932, 532415, 1064830, 2129660, 2842277, 5684554, 11369108, 14211385, 28422770, 36949601, 56845540, 73899202, 147798404, 184748005, 369496010, 738992020]

約数ペア:

[(1, 738992020), (2, 369496010), (4, 184748005), (5, 147798404), (10, 73899202), (13, 56845540), (20, 36949601), (26, 28422770), (52, 14211385), (65, 11369108), (130, 5684554), (260, 2842277), (347, 2129660), (694, 1064830), (1388, 532415), (1735, 425932), (3470, 212966), (4511, 163820), (6940, 106483), (8191, 90220), (9022, 81910), (16382, 45110), (18044, 40955), (22555, 32764)]