64251388

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{313}}^1$

素因数の和:446

約数の個数: 48

約数和(自身を含む): 123615520

約数和(自身を除く): 59364132

約数列:

[1, 2, 4, 19, 37, 38, 73, 74, 76, 146, 148, 292, 313, 626, 703, 1252, 1387, 1406, 2701, 2774, 2812, 5402, 5548, 5947, 10804, 11581, 11894, 22849, 23162, 23788, 45698, 46324, 51319, 91396, 102638, 205276, 220039, 434131, 440078, 845413, 868262, 880156, 1690826, 1736524, 3381652, 16062847, 32125694, 64251388]

約数ペア:

[(1, 64251388), (2, 32125694), (4, 16062847), (19, 3381652), (37, 1736524), (38, 1690826), (73, 880156), (74, 868262), (76, 845413), (146, 440078), (148, 434131), (292, 220039), (313, 205276), (626, 102638), (703, 91396), (1252, 51319), (1387, 46324), (1406, 45698), (2701, 23788), (2774, 23162), (2812, 22849), (5402, 11894), (5548, 11581), (5947, 10804)]