128368428

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{251}}^1$

素因数の和:407

約数の個数: 96

約数和(自身を含む): 335301120

約数和(自身を除く): 206932692

約数列:

[1, 2, 3, 4, 6, 12, 17, 23, 34, 46, 51, 68, 69, 92, 102, 109, 138, 204, 218, 251, 276, 327, 391, 436, 502, 654, 753, 782, 1004, 1173, 1308, 1506, 1564, 1853, 2346, 2507, 3012, 3706, 4267, 4692, 5014, 5559, 5773, 7412, 7521, 8534, 10028, 11118, 11546, 12801, 15042, 17068, 17319, 22236, 23092, 25602, 27359, 30084, 34638, 42619, 51204, 54718, 69276, 82077, 85238, 98141, 109436, 127857, 164154, 170476, 196282, 255714, 294423, 328308, 392564, 465103, 511428, 588846, 629257, 930206, 1177692, 1258514, 1395309, 1860412, 1887771, 2517028, 2790618, 3775542, 5581236, 7551084, 10697369, 21394738, 32092107, 42789476, 64184214, 128368428]

約数ペア:

[(1, 128368428), (2, 64184214), (3, 42789476), (4, 32092107), (6, 21394738), (12, 10697369), (17, 7551084), (23, 5581236), (34, 3775542), (46, 2790618), (51, 2517028), (68, 1887771), (69, 1860412), (92, 1395309), (102, 1258514), (109, 1177692), (138, 930206), (204, 629257), (218, 588846), (251, 511428), (276, 465103), (327, 392564), (391, 328308), (436, 294423), (502, 255714), (654, 196282), (753, 170476), (782, 164154), (1004, 127857), (1173, 109436), (1308, 98141), (1506, 85238), (1564, 82077), (1853, 69276), (2346, 54718), (2507, 51204), (3012, 42619), (3706, 34638), (4267, 30084), (4692, 27359), (5014, 25602), (5559, 23092), (5773, 22236), (7412, 17319), (7521, 17068), (8534, 15042), (10028, 12801), (11118, 11546)]