71644256

素因数分解:

$2^5\times {\mathrm{17}}^2\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:232

約数の個数: 72

約数和(自身を含む): 153490176

約数和(自身を除く): 81845920

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 61, 68, 122, 127, 136, 244, 254, 272, 289, 488, 508, 544, 578, 976, 1016, 1037, 1156, 1952, 2032, 2074, 2159, 2312, 4064, 4148, 4318, 4624, 7747, 8296, 8636, 9248, 15494, 16592, 17272, 17629, 30988, 33184, 34544, 35258, 36703, 61976, 69088, 70516, 73406, 123952, 131699, 141032, 146812, 247904, 263398, 282064, 293624, 526796, 564128, 587248, 1053592, 1174496, 2107184, 2238883, 4214368, 4477766, 8955532, 17911064, 35822128, 71644256]

約数ペア:

[(1, 71644256), (2, 35822128), (4, 17911064), (8, 8955532), (16, 4477766), (17, 4214368), (32, 2238883), (34, 2107184), (61, 1174496), (68, 1053592), (122, 587248), (127, 564128), (136, 526796), (244, 293624), (254, 282064), (272, 263398), (289, 247904), (488, 146812), (508, 141032), (544, 131699), (578, 123952), (976, 73406), (1016, 70516), (1037, 69088), (1156, 61976), (1952, 36703), (2032, 35258), (2074, 34544), (2159, 33184), (2312, 30988), (4064, 17629), (4148, 17272), (4318, 16592), (4624, 15494), (7747, 9248), (8296, 8636)]