81245584

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{601}}^1$

素因数の和:704

約数の個数: 80

約数和(自身を含む): 193487616

約数和(自身を除く): 112242032

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 71, 112, 119, 136, 142, 238, 272, 284, 476, 497, 568, 601, 952, 994, 1136, 1202, 1207, 1904, 1988, 2404, 2414, 3976, 4207, 4808, 4828, 7952, 8414, 8449, 9616, 9656, 10217, 16828, 16898, 19312, 20434, 33656, 33796, 40868, 42671, 67312, 67592, 71519, 81736, 85342, 135184, 143038, 163472, 170684, 286076, 298697, 341368, 572152, 597394, 682736, 725407, 1144304, 1194788, 1450814, 2389576, 2901628, 4779152, 5077849, 5803256, 10155698, 11606512, 20311396, 40622792, 81245584]

約数ペア:

[(1, 81245584), (2, 40622792), (4, 20311396), (7, 11606512), (8, 10155698), (14, 5803256), (16, 5077849), (17, 4779152), (28, 2901628), (34, 2389576), (56, 1450814), (68, 1194788), (71, 1144304), (112, 725407), (119, 682736), (136, 597394), (142, 572152), (238, 341368), (272, 298697), (284, 286076), (476, 170684), (497, 163472), (568, 143038), (601, 135184), (952, 85342), (994, 81736), (1136, 71519), (1202, 67592), (1207, 67312), (1904, 42671), (1988, 40868), (2404, 33796), (2414, 33656), (3976, 20434), (4207, 19312), (4808, 16898), (4828, 16828), (7952, 10217), (8414, 9656), (8449, 9616)]