78312128349

素因数分解:

$3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{16871}}^1$

素因数の和:17255

約数の個数: 64

約数和(自身を含む): 131520614400

約数和(自身を除く): 53208486051

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 343, 347, 637, 1029, 1041, 1911, 2429, 4459, 4511, 7287, 13377, 13533, 16871, 17003, 31577, 50613, 51009, 94731, 118097, 119021, 219323, 221039, 354291, 357063, 657969, 663117, 826679, 1535261, 1547273, 2480037, 4605783, 4641819, 5786753, 5854237, 10746827, 17360259, 17562711, 32240481, 40979659, 75227789, 76105081, 122938977, 225683367, 228315243, 286857613, 532735567, 860572839, 1598206701, 2008003291, 3729148969, 6024009873, 11187446907, 26104042783, 78312128349]

約数ペア:

[(1, 78312128349), (3, 26104042783), (7, 11187446907), (13, 6024009873), (21, 3729148969), (39, 2008003291), (49, 1598206701), (91, 860572839), (147, 532735567), (273, 286857613), (343, 228315243), (347, 225683367), (637, 122938977), (1029, 76105081), (1041, 75227789), (1911, 40979659), (2429, 32240481), (4459, 17562711), (4511, 17360259), (7287, 10746827), (13377, 5854237), (13533, 5786753), (16871, 4641819), (17003, 4605783), (31577, 2480037), (50613, 1547273), (51009, 1535261), (94731, 826679), (118097, 663117), (119021, 657969), (219323, 357063), (221039, 354291)]