15705172

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{557}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 33747840

約数和(自身を除く): 18042668

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 53, 76, 106, 133, 212, 266, 371, 532, 557, 742, 1007, 1114, 1484, 2014, 2228, 3899, 4028, 7049, 7798, 10583, 14098, 15596, 21166, 28196, 29521, 42332, 59042, 74081, 118084, 148162, 206647, 296324, 413294, 560899, 826588, 1121798, 2243596, 3926293, 7852586, 15705172]

約数ペア:

[(1, 15705172), (2, 7852586), (4, 3926293), (7, 2243596), (14, 1121798), (19, 826588), (28, 560899), (38, 413294), (53, 296324), (76, 206647), (106, 148162), (133, 118084), (212, 74081), (266, 59042), (371, 42332), (532, 29521), (557, 28196), (742, 21166), (1007, 15596), (1114, 14098), (1484, 10583), (2014, 7798), (2228, 7049), (3899, 4028)]