81856554

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{349}}^1$

素因数の和:495

約数の個数: 64

約数和(自身を含む): 184396800

約数和(自身を除く): 102540246

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 97, 186, 194, 291, 349, 403, 582, 698, 806, 1047, 1209, 1261, 2094, 2418, 2522, 3007, 3783, 4537, 6014, 7566, 9021, 9074, 10819, 13611, 18042, 21638, 27222, 32457, 33853, 39091, 64914, 67706, 78182, 101559, 117273, 140647, 203118, 234546, 281294, 421941, 440089, 843882, 880178, 1049443, 1320267, 2098886, 2640534, 3148329, 6296658, 13642759, 27285518, 40928277, 81856554]

約数ペア:

[(1, 81856554), (2, 40928277), (3, 27285518), (6, 13642759), (13, 6296658), (26, 3148329), (31, 2640534), (39, 2098886), (62, 1320267), (78, 1049443), (93, 880178), (97, 843882), (186, 440089), (194, 421941), (291, 281294), (349, 234546), (403, 203118), (582, 140647), (698, 117273), (806, 101559), (1047, 78182), (1209, 67706), (1261, 64914), (2094, 39091), (2418, 33853), (2522, 32457), (3007, 27222), (3783, 21638), (4537, 18042), (6014, 13611), (7566, 10819), (9021, 9074)]