81863856

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{29921}}^1$

素因数の和:29954

約数の個数: 60

約数和(自身を含む): 241171320

約数和(自身を除く): 159307464

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 36, 38, 48, 57, 72, 76, 114, 144, 152, 171, 228, 304, 342, 456, 684, 912, 1368, 2736, 29921, 59842, 89763, 119684, 179526, 239368, 269289, 359052, 478736, 538578, 568499, 718104, 1077156, 1136998, 1436208, 1705497, 2154312, 2273996, 3410994, 4308624, 4547992, 5116491, 6821988, 9095984, 10232982, 13643976, 20465964, 27287952, 40931928, 81863856]

約数ペア:

[(1, 81863856), (2, 40931928), (3, 27287952), (4, 20465964), (6, 13643976), (8, 10232982), (9, 9095984), (12, 6821988), (16, 5116491), (18, 4547992), (19, 4308624), (24, 3410994), (36, 2273996), (38, 2154312), (48, 1705497), (57, 1436208), (72, 1136998), (76, 1077156), (114, 718104), (144, 568499), (152, 538578), (171, 478736), (228, 359052), (304, 269289), (342, 239368), (456, 179526), (684, 119684), (912, 89763), (1368, 59842), (2736, 29921)]