28131090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4243}}^1$

素因数の和:4283

約数の個数: 64

約数和(自身を含む): 77003136

約数和(自身を除く): 48872046

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 34, 39, 51, 65, 78, 85, 102, 130, 170, 195, 221, 255, 390, 442, 510, 663, 1105, 1326, 2210, 3315, 4243, 6630, 8486, 12729, 21215, 25458, 42430, 55159, 63645, 72131, 110318, 127290, 144262, 165477, 216393, 275795, 330954, 360655, 432786, 551590, 721310, 827385, 937703, 1081965, 1654770, 1875406, 2163930, 2813109, 4688515, 5626218, 9377030, 14065545, 28131090]

約数ペア:

[(1, 28131090), (2, 14065545), (3, 9377030), (5, 5626218), (6, 4688515), (10, 2813109), (13, 2163930), (15, 1875406), (17, 1654770), (26, 1081965), (30, 937703), (34, 827385), (39, 721310), (51, 551590), (65, 432786), (78, 360655), (85, 330954), (102, 275795), (130, 216393), (170, 165477), (195, 144262), (221, 127290), (255, 110318), (390, 72131), (442, 63645), (510, 55159), (663, 42430), (1105, 25458), (1326, 21215), (2210, 12729), (3315, 8486), (4243, 6630)]