178275916

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:160

約数の個数: 144

約数和(自身を含む): 421139712

約数和(自身を除く): 242863796

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 37, 49, 52, 61, 62, 74, 91, 98, 122, 124, 148, 182, 196, 217, 244, 259, 364, 403, 427, 434, 481, 518, 637, 793, 806, 854, 868, 962, 1036, 1147, 1274, 1519, 1586, 1612, 1708, 1813, 1891, 1924, 2257, 2294, 2548, 2821, 2989, 3038, 3172, 3367, 3626, 3782, 4514, 4588, 5551, 5642, 5978, 6076, 6734, 7252, 7564, 8029, 9028, 11102, 11284, 11956, 13237, 13468, 14911, 15799, 16058, 19747, 22204, 23569, 24583, 26474, 29341, 29822, 31598, 32116, 38857, 39494, 47138, 49166, 52948, 56203, 58682, 59644, 63196, 69967, 77714, 78988, 92659, 94276, 98332, 104377, 110593, 112406, 117364, 139934, 155428, 172081, 185318, 205387, 208754, 221186, 224812, 279868, 344162, 370636, 410774, 417508, 442372, 489769, 688324, 730639, 821548, 909571, 979538, 1204567, 1437709, 1461278, 1819142, 1959076, 2409134, 2875418, 2922556, 3428383, 3638284, 4818268, 5750836, 6366997, 6856766, 12733994, 13713532, 25467988, 44568979, 89137958, 178275916]

約数ペア:

[(1, 178275916), (2, 89137958), (4, 44568979), (7, 25467988), (13, 13713532), (14, 12733994), (26, 6856766), (28, 6366997), (31, 5750836), (37, 4818268), (49, 3638284), (52, 3428383), (61, 2922556), (62, 2875418), (74, 2409134), (91, 1959076), (98, 1819142), (122, 1461278), (124, 1437709), (148, 1204567), (182, 979538), (196, 909571), (217, 821548), (244, 730639), (259, 688324), (364, 489769), (403, 442372), (427, 417508), (434, 410774), (481, 370636), (518, 344162), (637, 279868), (793, 224812), (806, 221186), (854, 208754), (868, 205387), (962, 185318), (1036, 172081), (1147, 155428), (1274, 139934), (1519, 117364), (1586, 112406), (1612, 110593), (1708, 104377), (1813, 98332), (1891, 94276), (1924, 92659), (2257, 78988), (2294, 77714), (2548, 69967), (2821, 63196), (2989, 59644), (3038, 58682), (3172, 56203), (3367, 52948), (3626, 49166), (3782, 47138), (4514, 39494), (4588, 38857), (5551, 32116), (5642, 31598), (5978, 29822), (6076, 29341), (6734, 26474), (7252, 24583), (7564, 23569), (8029, 22204), (9028, 19747), (11102, 16058), (11284, 15799), (11956, 14911), (13237, 13468)]