161339388

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^2\times {\mathrm{61}}^1$

素因数の和:172

約数の個数: 144

約数和(自身を含む): 468969984

約数和(自身を除く): 307630596

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 37, 42, 46, 61, 69, 74, 84, 92, 111, 122, 138, 148, 161, 183, 222, 244, 259, 276, 322, 366, 427, 444, 483, 518, 644, 732, 777, 851, 854, 966, 1036, 1281, 1369, 1403, 1554, 1702, 1708, 1932, 2257, 2553, 2562, 2738, 2806, 3108, 3404, 4107, 4209, 4514, 5106, 5124, 5476, 5612, 5957, 6771, 8214, 8418, 9028, 9583, 9821, 10212, 11914, 13542, 15799, 16428, 16836, 17871, 19166, 19642, 23828, 27084, 28749, 29463, 31487, 31598, 35742, 38332, 39284, 47397, 51911, 57498, 58926, 62974, 63196, 71484, 83509, 94461, 94794, 103822, 114996, 117852, 125948, 155733, 167018, 188922, 189588, 207644, 220409, 250527, 311466, 334036, 363377, 377844, 440818, 501054, 584563, 622932, 661227, 726754, 881636, 1002108, 1090131, 1169126, 1322454, 1453508, 1753689, 1920707, 2180262, 2338252, 2644908, 3507378, 3841414, 4360524, 5762121, 7014756, 7682828, 11524242, 13444949, 23048484, 26889898, 40334847, 53779796, 80669694, 161339388]

約数ペア:

[(1, 161339388), (2, 80669694), (3, 53779796), (4, 40334847), (6, 26889898), (7, 23048484), (12, 13444949), (14, 11524242), (21, 7682828), (23, 7014756), (28, 5762121), (37, 4360524), (42, 3841414), (46, 3507378), (61, 2644908), (69, 2338252), (74, 2180262), (84, 1920707), (92, 1753689), (111, 1453508), (122, 1322454), (138, 1169126), (148, 1090131), (161, 1002108), (183, 881636), (222, 726754), (244, 661227), (259, 622932), (276, 584563), (322, 501054), (366, 440818), (427, 377844), (444, 363377), (483, 334036), (518, 311466), (644, 250527), (732, 220409), (777, 207644), (851, 189588), (854, 188922), (966, 167018), (1036, 155733), (1281, 125948), (1369, 117852), (1403, 114996), (1554, 103822), (1702, 94794), (1708, 94461), (1932, 83509), (2257, 71484), (2553, 63196), (2562, 62974), (2738, 58926), (2806, 57498), (3108, 51911), (3404, 47397), (4107, 39284), (4209, 38332), (4514, 35742), (5106, 31598), (5124, 31487), (5476, 29463), (5612, 28749), (5957, 27084), (6771, 23828), (8214, 19642), (8418, 19166), (9028, 17871), (9583, 16836), (9821, 16428), (10212, 15799), (11914, 13542)]