81815526

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:326

約数の個数: 96

約数和(自身を含む): 204972768

約数和(自身を除く): 123157242

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 131, 153, 157, 221, 234, 262, 306, 314, 393, 442, 471, 663, 786, 942, 1179, 1326, 1413, 1703, 1989, 2041, 2227, 2358, 2669, 2826, 3406, 3978, 4082, 4454, 5109, 5338, 6123, 6681, 8007, 10218, 12246, 13362, 15327, 16014, 18369, 20043, 20567, 24021, 28951, 30654, 34697, 36738, 40086, 41134, 48042, 57902, 61701, 69394, 86853, 104091, 123402, 173706, 185103, 208182, 260559, 267371, 312273, 349639, 370206, 521118, 534742, 624546, 699278, 802113, 1048917, 1604226, 2097834, 2406339, 3146751, 4545307, 4812678, 6293502, 9090614, 13635921, 27271842, 40907763, 81815526]

約数ペア:

[(1, 81815526), (2, 40907763), (3, 27271842), (6, 13635921), (9, 9090614), (13, 6293502), (17, 4812678), (18, 4545307), (26, 3146751), (34, 2406339), (39, 2097834), (51, 1604226), (78, 1048917), (102, 802113), (117, 699278), (131, 624546), (153, 534742), (157, 521118), (221, 370206), (234, 349639), (262, 312273), (306, 267371), (314, 260559), (393, 208182), (442, 185103), (471, 173706), (663, 123402), (786, 104091), (942, 86853), (1179, 69394), (1326, 61701), (1413, 57902), (1703, 48042), (1989, 41134), (2041, 40086), (2227, 36738), (2358, 34697), (2669, 30654), (2826, 28951), (3406, 24021), (3978, 20567), (4082, 20043), (4454, 18369), (5109, 16014), (5338, 15327), (6123, 13362), (6681, 12246), (8007, 10218)]