218926539

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{571}}^1$

素因数の和:732

約数の個数: 48

約数和(自身を含む): 356035680

約数和(自身を除く): 137109141

約数列:

[1, 3, 9, 13, 29, 39, 87, 113, 117, 261, 339, 377, 571, 1017, 1131, 1469, 1713, 3277, 3393, 4407, 5139, 7423, 9831, 13221, 16559, 22269, 29493, 42601, 49677, 64523, 66807, 127803, 149031, 193569, 215267, 383409, 580707, 645801, 838799, 1871167, 1937403, 2516397, 5613501, 7549191, 16840503, 24325171, 72975513, 218926539]

約数ペア:

[(1, 218926539), (3, 72975513), (9, 24325171), (13, 16840503), (29, 7549191), (39, 5613501), (87, 2516397), (113, 1937403), (117, 1871167), (261, 838799), (339, 645801), (377, 580707), (571, 383409), (1017, 215267), (1131, 193569), (1469, 149031), (1713, 127803), (3277, 66807), (3393, 64523), (4407, 49677), (5139, 42601), (7423, 29493), (9831, 22269), (13221, 16559)]