28115964

素因数分解:

$2^2\times 3^3\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1$

素因数の和:280

約数の個数: 96

約数和(自身を含む): 77414400

約数和(自身を除く): 49298436

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 29, 36, 47, 54, 58, 87, 94, 108, 116, 141, 174, 188, 191, 261, 282, 348, 382, 423, 522, 564, 573, 764, 783, 846, 1044, 1146, 1269, 1363, 1566, 1692, 1719, 2292, 2538, 2726, 3132, 3438, 4089, 5076, 5157, 5452, 5539, 6876, 8178, 8977, 10314, 11078, 12267, 16356, 16617, 17954, 20628, 22156, 24534, 26931, 33234, 35908, 36801, 49068, 49851, 53862, 66468, 73602, 80793, 99702, 107724, 147204, 149553, 161586, 199404, 242379, 260333, 299106, 323172, 484758, 520666, 598212, 780999, 969516, 1041332, 1561998, 2342997, 3123996, 4685994, 7028991, 9371988, 14057982, 28115964]

約数ペア:

[(1, 28115964), (2, 14057982), (3, 9371988), (4, 7028991), (6, 4685994), (9, 3123996), (12, 2342997), (18, 1561998), (27, 1041332), (29, 969516), (36, 780999), (47, 598212), (54, 520666), (58, 484758), (87, 323172), (94, 299106), (108, 260333), (116, 242379), (141, 199404), (174, 161586), (188, 149553), (191, 147204), (261, 107724), (282, 99702), (348, 80793), (382, 73602), (423, 66468), (522, 53862), (564, 49851), (573, 49068), (764, 36801), (783, 35908), (846, 33234), (1044, 26931), (1146, 24534), (1269, 22156), (1363, 20628), (1566, 17954), (1692, 16617), (1719, 16356), (2292, 12267), (2538, 11078), (2726, 10314), (3132, 8977), (3438, 8178), (4089, 6876), (5076, 5539), (5157, 5452)]