28777914

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{181}}^1$

素因数の和:284

約数の個数: 72

約数和(自身を含む): 69858516

約数和(自身を除く): 41080602

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 73, 99, 121, 146, 181, 198, 219, 242, 362, 363, 438, 543, 657, 726, 803, 1086, 1089, 1314, 1606, 1629, 1991, 2178, 2409, 3258, 3982, 4818, 5973, 7227, 8833, 11946, 13213, 14454, 17666, 17919, 21901, 26426, 26499, 35838, 39639, 43802, 52998, 65703, 79278, 79497, 118917, 131406, 145343, 158994, 197109, 237834, 290686, 394218, 436029, 872058, 1308087, 1598773, 2616174, 3197546, 4796319, 9592638, 14388957, 28777914]

約数ペア:

[(1, 28777914), (2, 14388957), (3, 9592638), (6, 4796319), (9, 3197546), (11, 2616174), (18, 1598773), (22, 1308087), (33, 872058), (66, 436029), (73, 394218), (99, 290686), (121, 237834), (146, 197109), (181, 158994), (198, 145343), (219, 131406), (242, 118917), (362, 79497), (363, 79278), (438, 65703), (543, 52998), (657, 43802), (726, 39639), (803, 35838), (1086, 26499), (1089, 26426), (1314, 21901), (1606, 17919), (1629, 17666), (1991, 14454), (2178, 13213), (2409, 11946), (3258, 8833), (3982, 7227), (4818, 5973)]