177937396

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{1213}}^1$

素因数の和:1281

約数の個数: 72

約数和(自身を含む): 398114304

約数和(自身を除く): 220176908

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 91, 124, 169, 182, 217, 338, 364, 403, 434, 676, 806, 868, 1183, 1213, 1612, 2366, 2426, 2821, 4732, 4852, 5239, 5642, 8491, 10478, 11284, 15769, 16982, 20956, 31538, 33964, 36673, 37603, 63076, 73346, 75206, 110383, 146692, 150412, 204997, 220766, 263221, 409994, 441532, 488839, 526442, 819988, 977678, 1052884, 1434979, 1955356, 2869958, 3421873, 5739916, 6354907, 6843746, 12709814, 13687492, 25419628, 44484349, 88968698, 177937396]

約数ペア:

[(1, 177937396), (2, 88968698), (4, 44484349), (7, 25419628), (13, 13687492), (14, 12709814), (26, 6843746), (28, 6354907), (31, 5739916), (52, 3421873), (62, 2869958), (91, 1955356), (124, 1434979), (169, 1052884), (182, 977678), (217, 819988), (338, 526442), (364, 488839), (403, 441532), (434, 409994), (676, 263221), (806, 220766), (868, 204997), (1183, 150412), (1213, 146692), (1612, 110383), (2366, 75206), (2426, 73346), (2821, 63076), (4732, 37603), (4852, 36673), (5239, 33964), (5642, 31538), (8491, 20956), (10478, 16982), (11284, 15769)]