161408208

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{6991}}^1$

素因数の和:7052

約数の個数: 80

約数和(自身を含む): 461248256

約数和(自身を除く): 299840048

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 37, 39, 48, 52, 74, 78, 104, 111, 148, 156, 208, 222, 296, 312, 444, 481, 592, 624, 888, 962, 1443, 1776, 1924, 2886, 3848, 5772, 6991, 7696, 11544, 13982, 20973, 23088, 27964, 41946, 55928, 83892, 90883, 111856, 167784, 181766, 258667, 272649, 335568, 363532, 517334, 545298, 727064, 776001, 1034668, 1090596, 1454128, 1552002, 2069336, 2181192, 3104004, 3362671, 4138672, 4362384, 6208008, 6725342, 10088013, 12416016, 13450684, 20176026, 26901368, 40352052, 53802736, 80704104, 161408208]

約数ペア:

[(1, 161408208), (2, 80704104), (3, 53802736), (4, 40352052), (6, 26901368), (8, 20176026), (12, 13450684), (13, 12416016), (16, 10088013), (24, 6725342), (26, 6208008), (37, 4362384), (39, 4138672), (48, 3362671), (52, 3104004), (74, 2181192), (78, 2069336), (104, 1552002), (111, 1454128), (148, 1090596), (156, 1034668), (208, 776001), (222, 727064), (296, 545298), (312, 517334), (444, 363532), (481, 335568), (592, 272649), (624, 258667), (888, 181766), (962, 167784), (1443, 111856), (1776, 90883), (1924, 83892), (2886, 55928), (3848, 41946), (5772, 27964), (6991, 23088), (7696, 20973), (11544, 13982)]