291231018

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{5683}}^1$

素因数の和:5780

約数の個数: 64

約数和(自身を含む): 706634880

約数和(自身を除く): 415403862

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 73, 78, 117, 146, 219, 234, 351, 438, 657, 702, 949, 1314, 1898, 1971, 2847, 3942, 5683, 5694, 8541, 11366, 17049, 17082, 25623, 34098, 51147, 51246, 73879, 102294, 147758, 153441, 221637, 306882, 414859, 443274, 664911, 829718, 1244577, 1329822, 1994733, 2489154, 3733731, 3989466, 5393167, 7467462, 10786334, 11201193, 16179501, 22402386, 32359002, 48538503, 97077006, 145615509, 291231018]

約数ペア:

[(1, 291231018), (2, 145615509), (3, 97077006), (6, 48538503), (9, 32359002), (13, 22402386), (18, 16179501), (26, 11201193), (27, 10786334), (39, 7467462), (54, 5393167), (73, 3989466), (78, 3733731), (117, 2489154), (146, 1994733), (219, 1329822), (234, 1244577), (351, 829718), (438, 664911), (657, 443274), (702, 414859), (949, 306882), (1314, 221637), (1898, 153441), (1971, 147758), (2847, 102294), (3942, 73879), (5683, 51246), (5694, 51147), (8541, 34098), (11366, 25623), (17049, 17082)]