72641978

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{457}}^1$

素因数の和:614

約数の個数: 32

約数和(自身を含む): 118713600

約数和(自身を除く): 46071622

約数列:

[1, 2, 19, 38, 47, 89, 94, 178, 457, 893, 914, 1691, 1786, 3382, 4183, 8366, 8683, 17366, 21479, 40673, 42958, 79477, 81346, 158954, 408101, 772787, 816202, 1545574, 1911631, 3823262, 36320989, 72641978]

約数ペア:

[(1, 72641978), (2, 36320989), (19, 3823262), (38, 1911631), (47, 1545574), (89, 816202), (94, 772787), (178, 408101), (457, 158954), (893, 81346), (914, 79477), (1691, 42958), (1786, 40673), (3382, 21479), (4183, 17366), (8366, 8683)]