15916644

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{409}}^1$

素因数の和:489

約数の個数: 72

約数和(自身を含む): 42981120

約数和(自身を除く): 27064476

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 47, 69, 92, 94, 138, 141, 188, 207, 276, 282, 409, 414, 423, 564, 818, 828, 846, 1081, 1227, 1636, 1692, 2162, 2454, 3243, 3681, 4324, 4908, 6486, 7362, 9407, 9729, 12972, 14724, 18814, 19223, 19458, 28221, 37628, 38446, 38916, 56442, 57669, 76892, 84663, 112884, 115338, 169326, 173007, 230676, 338652, 346014, 442129, 692028, 884258, 1326387, 1768516, 2652774, 3979161, 5305548, 7958322, 15916644]

約数ペア:

[(1, 15916644), (2, 7958322), (3, 5305548), (4, 3979161), (6, 2652774), (9, 1768516), (12, 1326387), (18, 884258), (23, 692028), (36, 442129), (46, 346014), (47, 338652), (69, 230676), (92, 173007), (94, 169326), (138, 115338), (141, 112884), (188, 84663), (207, 76892), (276, 57669), (282, 56442), (409, 38916), (414, 38446), (423, 37628), (564, 28221), (818, 19458), (828, 19223), (846, 18814), (1081, 14724), (1227, 12972), (1636, 9729), (1692, 9407), (2162, 7362), (2454, 6486), (3243, 4908), (3681, 4324)]