71248768

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{239}}^1$

素因数の和:407

約数の個数: 64

約数和(自身を含む): 152020800

約数和(自身を除く): 80772032

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 137, 239, 272, 274, 478, 544, 548, 956, 1088, 1096, 1912, 2176, 2192, 2329, 3824, 4063, 4384, 4658, 7648, 8126, 8768, 9316, 15296, 16252, 17536, 18632, 30592, 32504, 32743, 37264, 65008, 65486, 74528, 130016, 130972, 149056, 260032, 261944, 298112, 520064, 523888, 556631, 1047776, 1113262, 2095552, 2226524, 4191104, 4453048, 8906096, 17812192, 35624384, 71248768]

約数ペア:

[(1, 71248768), (2, 35624384), (4, 17812192), (8, 8906096), (16, 4453048), (17, 4191104), (32, 2226524), (34, 2095552), (64, 1113262), (68, 1047776), (128, 556631), (136, 523888), (137, 520064), (239, 298112), (272, 261944), (274, 260032), (478, 149056), (544, 130972), (548, 130016), (956, 74528), (1088, 65486), (1096, 65008), (1912, 37264), (2176, 32743), (2192, 32504), (2329, 30592), (3824, 18632), (4063, 17536), (4384, 16252), (4658, 15296), (7648, 9316), (8126, 8768)]