258537396

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{277}}^1$

素因数の和:521

約数の個数: 96

約数和(自身を含む): 676523008

約数和(自身を除く): 417985612

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 62, 78, 93, 124, 156, 186, 193, 277, 372, 386, 403, 554, 579, 772, 806, 831, 1108, 1158, 1209, 1612, 1662, 2316, 2418, 2509, 3324, 3601, 4836, 5018, 5983, 7202, 7527, 8587, 10036, 10803, 11966, 14404, 15054, 17174, 17949, 21606, 23932, 25761, 30108, 34348, 35898, 43212, 51522, 53461, 71796, 77779, 103044, 106922, 111631, 155558, 160383, 213844, 223262, 233337, 311116, 320766, 334893, 446524, 466674, 641532, 669786, 694993, 933348, 1339572, 1389986, 1657291, 2084979, 2779972, 3314582, 4169958, 4971873, 6629164, 8339916, 9943746, 19887492, 21544783, 43089566, 64634349, 86179132, 129268698, 258537396]

約数ペア:

[(1, 258537396), (2, 129268698), (3, 86179132), (4, 64634349), (6, 43089566), (12, 21544783), (13, 19887492), (26, 9943746), (31, 8339916), (39, 6629164), (52, 4971873), (62, 4169958), (78, 3314582), (93, 2779972), (124, 2084979), (156, 1657291), (186, 1389986), (193, 1339572), (277, 933348), (372, 694993), (386, 669786), (403, 641532), (554, 466674), (579, 446524), (772, 334893), (806, 320766), (831, 311116), (1108, 233337), (1158, 223262), (1209, 213844), (1612, 160383), (1662, 155558), (2316, 111631), (2418, 106922), (2509, 103044), (3324, 77779), (3601, 71796), (4836, 53461), (5018, 51522), (5983, 43212), (7202, 35898), (7527, 34348), (8587, 30108), (10036, 25761), (10803, 23932), (11966, 21606), (14404, 17949), (15054, 17174)]