78684016

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{5507}}^1$

素因数の和:5581

約数の個数: 40

約数和(自身を含む): 163918080

約数和(自身を除く): 85234064

約数列:

[1, 2, 4, 8, 16, 19, 38, 47, 76, 94, 152, 188, 304, 376, 752, 893, 1786, 3572, 5507, 7144, 11014, 14288, 22028, 44056, 88112, 104633, 209266, 258829, 418532, 517658, 837064, 1035316, 1674128, 2070632, 4141264, 4917751, 9835502, 19671004, 39342008, 78684016]

約数ペア:

[(1, 78684016), (2, 39342008), (4, 19671004), (8, 9835502), (16, 4917751), (19, 4141264), (38, 2070632), (47, 1674128), (76, 1035316), (94, 837064), (152, 517658), (188, 418532), (304, 258829), (376, 209266), (752, 104633), (893, 88112), (1786, 44056), (3572, 22028), (5507, 14288), (7144, 11014)]