64438452

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{877}}^1$

素因数の和:1057

約数の個数: 72

約数和(自身を含む): 176734376

約数和(自身を除く): 112295924

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 157, 234, 314, 468, 471, 628, 877, 942, 1413, 1754, 1884, 2041, 2631, 2826, 3508, 4082, 5262, 5652, 6123, 7893, 8164, 10524, 11401, 12246, 15786, 18369, 22802, 24492, 31572, 34203, 36738, 45604, 68406, 73476, 102609, 136812, 137689, 205218, 275378, 410436, 413067, 550756, 826134, 1239201, 1652268, 1789957, 2478402, 3579914, 4956804, 5369871, 7159828, 10739742, 16109613, 21479484, 32219226, 64438452]

約数ペア:

[(1, 64438452), (2, 32219226), (3, 21479484), (4, 16109613), (6, 10739742), (9, 7159828), (12, 5369871), (13, 4956804), (18, 3579914), (26, 2478402), (36, 1789957), (39, 1652268), (52, 1239201), (78, 826134), (117, 550756), (156, 413067), (157, 410436), (234, 275378), (314, 205218), (468, 137689), (471, 136812), (628, 102609), (877, 73476), (942, 68406), (1413, 45604), (1754, 36738), (1884, 34203), (2041, 31572), (2631, 24492), (2826, 22802), (3508, 18369), (4082, 15786), (5262, 12246), (5652, 11401), (6123, 10524), (7893, 8164)]