127721308

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{383}}^1$

素因数の和:475

約数の個数: 72

約数和(自身を含む): 270273024

約数和(自身を除く): 142551716

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 53, 106, 121, 143, 212, 242, 286, 383, 484, 572, 583, 689, 766, 1166, 1378, 1532, 1573, 2332, 2756, 3146, 4213, 4979, 6292, 6413, 7579, 8426, 9958, 12826, 15158, 16852, 19916, 20299, 25652, 30316, 40598, 46343, 54769, 81196, 83369, 92686, 109538, 166738, 185372, 219076, 223289, 263887, 333476, 446578, 527774, 602459, 893156, 1055548, 1204918, 2409836, 2456179, 2902757, 4912358, 5805514, 9824716, 11611028, 31930327, 63860654, 127721308]

約数ペア:

[(1, 127721308), (2, 63860654), (4, 31930327), (11, 11611028), (13, 9824716), (22, 5805514), (26, 4912358), (44, 2902757), (52, 2456179), (53, 2409836), (106, 1204918), (121, 1055548), (143, 893156), (212, 602459), (242, 527774), (286, 446578), (383, 333476), (484, 263887), (572, 223289), (583, 219076), (689, 185372), (766, 166738), (1166, 109538), (1378, 92686), (1532, 83369), (1573, 81196), (2332, 54769), (2756, 46343), (3146, 40598), (4213, 30316), (4979, 25652), (6292, 20299), (6413, 19916), (7579, 16852), (8426, 15158), (9958, 12826)]