78720966

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1987}}^1$

素因数の和:2097

約数の個数: 48

約数和(自身を含む): 178633728

約数和(自身を除く): 99912762

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 71, 93, 142, 186, 213, 279, 426, 558, 639, 1278, 1987, 2201, 3974, 4402, 5961, 6603, 11922, 13206, 17883, 19809, 35766, 39618, 61597, 123194, 141077, 184791, 282154, 369582, 423231, 554373, 846462, 1108746, 1269693, 2539386, 4373387, 8746774, 13120161, 26240322, 39360483, 78720966]

約数ペア:

[(1, 78720966), (2, 39360483), (3, 26240322), (6, 13120161), (9, 8746774), (18, 4373387), (31, 2539386), (62, 1269693), (71, 1108746), (93, 846462), (142, 554373), (186, 423231), (213, 369582), (279, 282154), (426, 184791), (558, 141077), (639, 123194), (1278, 61597), (1987, 39618), (2201, 35766), (3974, 19809), (4402, 17883), (5961, 13206), (6603, 11922)]