2219958

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1$

素因数の和:253

約数の個数: 48

約数和(自身を含む): 5307120

約数和(自身を除く): 3087162

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 53, 78, 106, 117, 159, 179, 234, 318, 358, 477, 537, 689, 954, 1074, 1378, 1611, 2067, 2327, 3222, 4134, 4654, 6201, 6981, 9487, 12402, 13962, 18974, 20943, 28461, 41886, 56922, 85383, 123331, 170766, 246662, 369993, 739986, 1109979, 2219958]

約数ペア:

[(1, 2219958), (2, 1109979), (3, 739986), (6, 369993), (9, 246662), (13, 170766), (18, 123331), (26, 85383), (39, 56922), (53, 41886), (78, 28461), (106, 20943), (117, 18974), (159, 13962), (179, 12402), (234, 9487), (318, 6981), (358, 6201), (477, 4654), (537, 4134), (689, 3222), (954, 2327), (1074, 2067), (1378, 1611)]