668844968

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:255

約数の個数: 128

約数和(自身を含む): 1492992000

約数和(自身を除く): 824147032

約数列:

[1, 2, 4, 8, 11, 22, 23, 44, 46, 47, 79, 88, 89, 92, 94, 158, 178, 184, 188, 253, 316, 356, 376, 506, 517, 632, 712, 869, 979, 1012, 1034, 1081, 1738, 1817, 1958, 2024, 2047, 2068, 2162, 3476, 3634, 3713, 3916, 4094, 4136, 4183, 4324, 6952, 7031, 7268, 7426, 7832, 8188, 8366, 8648, 11891, 14062, 14536, 14852, 16376, 16732, 19987, 22517, 23782, 28124, 29704, 33464, 39974, 40843, 45034, 46013, 47564, 56248, 77341, 79948, 81686, 85399, 90068, 92026, 95128, 96209, 154682, 159896, 161713, 163372, 170798, 180136, 184052, 192418, 309364, 323426, 326744, 330457, 341596, 368104, 384836, 618728, 646852, 660914, 683192, 769672, 939389, 1058299, 1293704, 1321828, 1778843, 1878778, 2116598, 2643656, 3557686, 3635027, 3757556, 4233196, 7115372, 7270054, 7515112, 7600511, 8466392, 14230744, 14540108, 15201022, 29080216, 30402044, 60804088, 83605621, 167211242, 334422484, 668844968]

約数ペア:

[(1, 668844968), (2, 334422484), (4, 167211242), (8, 83605621), (11, 60804088), (22, 30402044), (23, 29080216), (44, 15201022), (46, 14540108), (47, 14230744), (79, 8466392), (88, 7600511), (89, 7515112), (92, 7270054), (94, 7115372), (158, 4233196), (178, 3757556), (184, 3635027), (188, 3557686), (253, 2643656), (316, 2116598), (356, 1878778), (376, 1778843), (506, 1321828), (517, 1293704), (632, 1058299), (712, 939389), (869, 769672), (979, 683192), (1012, 660914), (1034, 646852), (1081, 618728), (1738, 384836), (1817, 368104), (1958, 341596), (2024, 330457), (2047, 326744), (2068, 323426), (2162, 309364), (3476, 192418), (3634, 184052), (3713, 180136), (3916, 170798), (4094, 163372), (4136, 161713), (4183, 159896), (4324, 154682), (6952, 96209), (7031, 95128), (7268, 92026), (7426, 90068), (7832, 85399), (8188, 81686), (8366, 79948), (8648, 77341), (11891, 56248), (14062, 47564), (14536, 46013), (14852, 45034), (16376, 40843), (16732, 39974), (19987, 33464), (22517, 29704), (23782, 28124)]