81566394

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:196

約数の個数: 128

約数和(自身を含む): 213319680

約数和(自身を除く): 131753286

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 31, 39, 42, 61, 62, 78, 79, 91, 93, 122, 158, 182, 183, 186, 217, 237, 273, 366, 403, 427, 434, 474, 546, 553, 651, 793, 806, 854, 1027, 1106, 1209, 1281, 1302, 1586, 1659, 1891, 2054, 2379, 2418, 2449, 2562, 2821, 3081, 3318, 3782, 4758, 4819, 4898, 5551, 5642, 5673, 6162, 7189, 7347, 8463, 9638, 11102, 11346, 13237, 14378, 14457, 14694, 16653, 16926, 17143, 21567, 24583, 26474, 28914, 31837, 33306, 33733, 34286, 39711, 43134, 49166, 51429, 62647, 63674, 67466, 73749, 79422, 95511, 101199, 102858, 125294, 147498, 149389, 172081, 187941, 191022, 202398, 222859, 298778, 344162, 375882, 438529, 445718, 448167, 516243, 668577, 877058, 896334, 1032486, 1045723, 1315587, 1337154, 1942057, 2091446, 2631174, 3137169, 3884114, 5826171, 6274338, 11652342, 13594399, 27188798, 40783197, 81566394]

約数ペア:

[(1, 81566394), (2, 40783197), (3, 27188798), (6, 13594399), (7, 11652342), (13, 6274338), (14, 5826171), (21, 3884114), (26, 3137169), (31, 2631174), (39, 2091446), (42, 1942057), (61, 1337154), (62, 1315587), (78, 1045723), (79, 1032486), (91, 896334), (93, 877058), (122, 668577), (158, 516243), (182, 448167), (183, 445718), (186, 438529), (217, 375882), (237, 344162), (273, 298778), (366, 222859), (403, 202398), (427, 191022), (434, 187941), (474, 172081), (546, 149389), (553, 147498), (651, 125294), (793, 102858), (806, 101199), (854, 95511), (1027, 79422), (1106, 73749), (1209, 67466), (1281, 63674), (1302, 62647), (1586, 51429), (1659, 49166), (1891, 43134), (2054, 39711), (2379, 34286), (2418, 33733), (2449, 33306), (2562, 31837), (2821, 28914), (3081, 26474), (3318, 24583), (3782, 21567), (4758, 17143), (4819, 16926), (4898, 16653), (5551, 14694), (5642, 14457), (5673, 14378), (6162, 13237), (7189, 11346), (7347, 11102), (8463, 9638)]