221282490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{51581}}^1$

素因数の和:51615

約数の個数: 64

約数和(自身を含む): 623935872

約数和(自身を除く): 402653382

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 22, 26, 30, 33, 39, 55, 65, 66, 78, 110, 130, 143, 165, 195, 286, 330, 390, 429, 715, 858, 1430, 2145, 4290, 51581, 103162, 154743, 257905, 309486, 515810, 567391, 670553, 773715, 1134782, 1341106, 1547430, 1702173, 2011659, 2836955, 3352765, 3404346, 4023318, 5673910, 6705530, 7376083, 8510865, 10058295, 14752166, 17021730, 20116590, 22128249, 36880415, 44256498, 73760830, 110641245, 221282490]

約数ペア:

[(1, 221282490), (2, 110641245), (3, 73760830), (5, 44256498), (6, 36880415), (10, 22128249), (11, 20116590), (13, 17021730), (15, 14752166), (22, 10058295), (26, 8510865), (30, 7376083), (33, 6705530), (39, 5673910), (55, 4023318), (65, 3404346), (66, 3352765), (78, 2836955), (110, 2011659), (130, 1702173), (143, 1547430), (165, 1341106), (195, 1134782), (286, 773715), (330, 670553), (390, 567391), (429, 515810), (715, 309486), (858, 257905), (1430, 154743), (2145, 103162), (4290, 51581)]