31616838

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:171

約数の個数: 128

約数和(自身を含む): 84602880

約数和(自身を除く): 52986042

約数列:

[1, 2, 3, 6, 9, 11, 17, 18, 22, 27, 31, 33, 34, 51, 54, 62, 66, 93, 99, 101, 102, 153, 186, 187, 198, 202, 279, 297, 303, 306, 341, 374, 459, 527, 558, 561, 594, 606, 682, 837, 909, 918, 1023, 1054, 1111, 1122, 1581, 1674, 1683, 1717, 1818, 2046, 2222, 2727, 3069, 3131, 3162, 3333, 3366, 3434, 4743, 5049, 5151, 5454, 5797, 6138, 6262, 6666, 9207, 9393, 9486, 9999, 10098, 10302, 11594, 14229, 15453, 17391, 18414, 18786, 18887, 19998, 28179, 28458, 29997, 30906, 34441, 34782, 37774, 46359, 52173, 53227, 56358, 56661, 59994, 68882, 84537, 92718, 103323, 104346, 106454, 113322, 156519, 159681, 169074, 169983, 206646, 309969, 313038, 319362, 339966, 479043, 509949, 585497, 619938, 929907, 958086, 1019898, 1170994, 1437129, 1756491, 1859814, 2874258, 3512982, 5269473, 10538946, 15808419, 31616838]

約数ペア:

[(1, 31616838), (2, 15808419), (3, 10538946), (6, 5269473), (9, 3512982), (11, 2874258), (17, 1859814), (18, 1756491), (22, 1437129), (27, 1170994), (31, 1019898), (33, 958086), (34, 929907), (51, 619938), (54, 585497), (62, 509949), (66, 479043), (93, 339966), (99, 319362), (101, 313038), (102, 309969), (153, 206646), (186, 169983), (187, 169074), (198, 159681), (202, 156519), (279, 113322), (297, 106454), (303, 104346), (306, 103323), (341, 92718), (374, 84537), (459, 68882), (527, 59994), (558, 56661), (561, 56358), (594, 53227), (606, 52173), (682, 46359), (837, 37774), (909, 34782), (918, 34441), (1023, 30906), (1054, 29997), (1111, 28458), (1122, 28179), (1581, 19998), (1674, 18887), (1683, 18786), (1717, 18414), (1818, 17391), (2046, 15453), (2222, 14229), (2727, 11594), (3069, 10302), (3131, 10098), (3162, 9999), (3333, 9486), (3366, 9393), (3434, 9207), (4743, 6666), (5049, 6262), (5151, 6138), (5454, 5797)]