51378444

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{353}}^1$

素因数の和:687

約数の個数: 72

約数和(自身を含む): 140710752

約数和(自身を除く): 89332308

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 311, 353, 468, 622, 706, 933, 1059, 1244, 1412, 1866, 2118, 2799, 3177, 3732, 4043, 4236, 4589, 5598, 6354, 8086, 9178, 11196, 12129, 12708, 13767, 16172, 18356, 24258, 27534, 36387, 41301, 48516, 55068, 72774, 82602, 109783, 145548, 165204, 219566, 329349, 439132, 658698, 988047, 1317396, 1427179, 1976094, 2854358, 3952188, 4281537, 5708716, 8563074, 12844611, 17126148, 25689222, 51378444]

約数ペア:

[(1, 51378444), (2, 25689222), (3, 17126148), (4, 12844611), (6, 8563074), (9, 5708716), (12, 4281537), (13, 3952188), (18, 2854358), (26, 1976094), (36, 1427179), (39, 1317396), (52, 988047), (78, 658698), (117, 439132), (156, 329349), (234, 219566), (311, 165204), (353, 145548), (468, 109783), (622, 82602), (706, 72774), (933, 55068), (1059, 48516), (1244, 41301), (1412, 36387), (1866, 27534), (2118, 24258), (2799, 18356), (3177, 16172), (3732, 13767), (4043, 12708), (4236, 12129), (4589, 11196), (5598, 9178), (6354, 8086)]