247311828

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{547}}^1\times {\mathrm{661}}^1$

素因数の和:1237

約数の個数: 72

約数和(自身を含む): 660252320

約数和(自身を除く): 412940492

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 547, 661, 684, 1094, 1322, 1641, 1983, 2188, 2644, 3282, 3966, 4923, 5949, 6564, 7932, 9846, 10393, 11898, 12559, 19692, 20786, 23796, 25118, 31179, 37677, 41572, 50236, 62358, 75354, 93537, 113031, 124716, 150708, 187074, 226062, 361567, 374148, 452124, 723134, 1084701, 1446268, 2169402, 3254103, 4338804, 6508206, 6869773, 13016412, 13739546, 20609319, 27479092, 41218638, 61827957, 82437276, 123655914, 247311828]

約数ペア:

[(1, 247311828), (2, 123655914), (3, 82437276), (4, 61827957), (6, 41218638), (9, 27479092), (12, 20609319), (18, 13739546), (19, 13016412), (36, 6869773), (38, 6508206), (57, 4338804), (76, 3254103), (114, 2169402), (171, 1446268), (228, 1084701), (342, 723134), (547, 452124), (661, 374148), (684, 361567), (1094, 226062), (1322, 187074), (1641, 150708), (1983, 124716), (2188, 113031), (2644, 93537), (3282, 75354), (3966, 62358), (4923, 50236), (5949, 41572), (6564, 37677), (7932, 31179), (9846, 25118), (10393, 23796), (11898, 20786), (12559, 19692)]