204947748

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{443}}^1$

素因数の和:705

約数の個数: 72

約数和(自身を含む): 529454016

約数和(自身を除く): 324506268

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 181, 213, 284, 362, 426, 443, 543, 639, 724, 852, 886, 1086, 1278, 1329, 1629, 1772, 2172, 2556, 2658, 3258, 3987, 5316, 6516, 7974, 12851, 15948, 25702, 31453, 38553, 51404, 62906, 77106, 80183, 94359, 115659, 125812, 154212, 160366, 188718, 231318, 240549, 283077, 320732, 377436, 462636, 481098, 566154, 721647, 962196, 1132308, 1443294, 2886588, 5692993, 11385986, 17078979, 22771972, 34157958, 51236937, 68315916, 102473874, 204947748]

約数ペア:

[(1, 204947748), (2, 102473874), (3, 68315916), (4, 51236937), (6, 34157958), (9, 22771972), (12, 17078979), (18, 11385986), (36, 5692993), (71, 2886588), (142, 1443294), (181, 1132308), (213, 962196), (284, 721647), (362, 566154), (426, 481098), (443, 462636), (543, 377436), (639, 320732), (724, 283077), (852, 240549), (886, 231318), (1086, 188718), (1278, 160366), (1329, 154212), (1629, 125812), (1772, 115659), (2172, 94359), (2556, 80183), (2658, 77106), (3258, 62906), (3987, 51404), (5316, 38553), (6516, 31453), (7974, 25702), (12851, 15948)]