1978577236

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{683}}^1\times {\mathrm{811}}^1$

素因数の和:1564

約数の個数: 48

約数和(自身を含む): 3732341760

約数和(自身を除く): 1753764524

約数列:

[1, 2, 4, 19, 38, 47, 76, 94, 188, 683, 811, 893, 1366, 1622, 1786, 2732, 3244, 3572, 12977, 15409, 25954, 30818, 32101, 38117, 51908, 61636, 64202, 76234, 128404, 152468, 553913, 609919, 724223, 1107826, 1219838, 1448446, 2215652, 2439676, 2896892, 10524347, 21048694, 26033911, 42097388, 52067822, 104135644, 494644309, 989288618, 1978577236]

約数ペア:

[(1, 1978577236), (2, 989288618), (4, 494644309), (19, 104135644), (38, 52067822), (47, 42097388), (76, 26033911), (94, 21048694), (188, 10524347), (683, 2896892), (811, 2439676), (893, 2215652), (1366, 1448446), (1622, 1219838), (1786, 1107826), (2732, 724223), (3244, 609919), (3572, 553913), (12977, 152468), (15409, 128404), (25954, 76234), (30818, 64202), (32101, 61636), (38117, 51908)]