215866904

素因数分解:

$2^3\times {\mathrm{11}}^4\times {\mathrm{19}}^1\times {\mathrm{97}}^1$

素因数の和:166

約数の個数: 80

約数和(自身を含む): 473487000

約数和(自身を除く): 257620096

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 97, 121, 152, 194, 209, 242, 388, 418, 484, 776, 836, 968, 1067, 1331, 1672, 1843, 2134, 2299, 2662, 3686, 4268, 4598, 5324, 7372, 8536, 9196, 10648, 11737, 14641, 14744, 18392, 20273, 23474, 25289, 29282, 40546, 46948, 50578, 58564, 81092, 93896, 101156, 117128, 129107, 162184, 202312, 223003, 258214, 278179, 446006, 516428, 556358, 892012, 1032856, 1112716, 1420177, 1784024, 2225432, 2453033, 2840354, 4906066, 5680708, 9812132, 11361416, 19624264, 26983363, 53966726, 107933452, 215866904]

約数ペア:

[(1, 215866904), (2, 107933452), (4, 53966726), (8, 26983363), (11, 19624264), (19, 11361416), (22, 9812132), (38, 5680708), (44, 4906066), (76, 2840354), (88, 2453033), (97, 2225432), (121, 1784024), (152, 1420177), (194, 1112716), (209, 1032856), (242, 892012), (388, 556358), (418, 516428), (484, 446006), (776, 278179), (836, 258214), (968, 223003), (1067, 202312), (1331, 162184), (1672, 129107), (1843, 117128), (2134, 101156), (2299, 93896), (2662, 81092), (3686, 58564), (4268, 50578), (4598, 46948), (5324, 40546), (7372, 29282), (8536, 25289), (9196, 23474), (10648, 20273), (11737, 18392), (14641, 14744)]