51551344

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:338

約数の個数: 80

約数和(自身を含む): 116242560

約数和(自身を除く): 64691216

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 61, 68, 104, 122, 136, 208, 221, 239, 244, 272, 442, 478, 488, 793, 884, 956, 976, 1037, 1586, 1768, 1912, 2074, 3107, 3172, 3536, 3824, 4063, 4148, 6214, 6344, 8126, 8296, 12428, 12688, 13481, 14579, 16252, 16592, 24856, 26962, 29158, 32504, 49712, 52819, 53924, 58316, 65008, 105638, 107848, 116632, 189527, 211276, 215696, 233264, 247843, 379054, 422552, 495686, 758108, 845104, 991372, 1516216, 1982744, 3032432, 3221959, 3965488, 6443918, 12887836, 25775672, 51551344]

約数ペア:

[(1, 51551344), (2, 25775672), (4, 12887836), (8, 6443918), (13, 3965488), (16, 3221959), (17, 3032432), (26, 1982744), (34, 1516216), (52, 991372), (61, 845104), (68, 758108), (104, 495686), (122, 422552), (136, 379054), (208, 247843), (221, 233264), (239, 215696), (244, 211276), (272, 189527), (442, 116632), (478, 107848), (488, 105638), (793, 65008), (884, 58316), (956, 53924), (976, 52819), (1037, 49712), (1586, 32504), (1768, 29158), (1912, 26962), (2074, 24856), (3107, 16592), (3172, 16252), (3536, 14579), (3824, 13481), (4063, 12688), (4148, 12428), (6214, 8296), (6344, 8126)]