78947172

素因数分解:

$2^2\times 3^2\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{461}}^1$

素因数の和:609

約数の個数: 72

約数和(自身を含む): 205837632

約数和(自身を除く): 126890460

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 67, 71, 134, 142, 201, 213, 268, 284, 402, 426, 461, 603, 639, 804, 852, 922, 1206, 1278, 1383, 1844, 2412, 2556, 2766, 4149, 4757, 5532, 8298, 9514, 14271, 16596, 19028, 28542, 30887, 32731, 42813, 57084, 61774, 65462, 85626, 92661, 98193, 123548, 130924, 171252, 185322, 196386, 277983, 294579, 370644, 392772, 555966, 589158, 1111932, 1178316, 2192977, 4385954, 6578931, 8771908, 13157862, 19736793, 26315724, 39473586, 78947172]

約数ペア:

[(1, 78947172), (2, 39473586), (3, 26315724), (4, 19736793), (6, 13157862), (9, 8771908), (12, 6578931), (18, 4385954), (36, 2192977), (67, 1178316), (71, 1111932), (134, 589158), (142, 555966), (201, 392772), (213, 370644), (268, 294579), (284, 277983), (402, 196386), (426, 185322), (461, 171252), (603, 130924), (639, 123548), (804, 98193), (852, 92661), (922, 85626), (1206, 65462), (1278, 61774), (1383, 57084), (1844, 42813), (2412, 32731), (2556, 30887), (2766, 28542), (4149, 19028), (4757, 16596), (5532, 14271), (8298, 9514)]