25279408

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{71}}^1$

素因数の和:131

約数の個数: 120

約数和(自身を含む): 65781504

約数和(自身を除く): 40502096

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 17, 22, 28, 34, 44, 56, 68, 71, 77, 88, 112, 119, 136, 142, 154, 176, 187, 238, 272, 284, 289, 308, 374, 476, 497, 568, 578, 616, 748, 781, 952, 994, 1136, 1156, 1207, 1232, 1309, 1496, 1562, 1904, 1988, 2023, 2312, 2414, 2618, 2992, 3124, 3179, 3976, 4046, 4624, 4828, 5236, 5467, 6248, 6358, 7952, 8092, 8449, 9656, 10472, 10934, 12496, 12716, 13277, 16184, 16898, 19312, 20519, 20944, 21868, 22253, 25432, 26554, 32368, 33796, 41038, 43736, 44506, 50864, 53108, 67592, 82076, 87472, 89012, 92939, 106216, 135184, 143633, 164152, 178024, 185878, 212432, 225709, 287266, 328304, 356048, 371756, 451418, 574532, 743512, 902836, 1149064, 1487024, 1579963, 1805672, 2298128, 3159926, 3611344, 6319852, 12639704, 25279408]

約数ペア:

[(1, 25279408), (2, 12639704), (4, 6319852), (7, 3611344), (8, 3159926), (11, 2298128), (14, 1805672), (16, 1579963), (17, 1487024), (22, 1149064), (28, 902836), (34, 743512), (44, 574532), (56, 451418), (68, 371756), (71, 356048), (77, 328304), (88, 287266), (112, 225709), (119, 212432), (136, 185878), (142, 178024), (154, 164152), (176, 143633), (187, 135184), (238, 106216), (272, 92939), (284, 89012), (289, 87472), (308, 82076), (374, 67592), (476, 53108), (497, 50864), (568, 44506), (578, 43736), (616, 41038), (748, 33796), (781, 32368), (952, 26554), (994, 25432), (1136, 22253), (1156, 21868), (1207, 20944), (1232, 20519), (1309, 19312), (1496, 16898), (1562, 16184), (1904, 13277), (1988, 12716), (2023, 12496), (2312, 10934), (2414, 10472), (2618, 9656), (2992, 8449), (3124, 8092), (3179, 7952), (3976, 6358), (4046, 6248), (4624, 5467), (4828, 5236)]