81434184

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{1237}}^1$

素因数の和:1470

約数の個数: 64

約数和(自身を含む): 220463040

約数和(自身を除く): 139028856

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 211, 312, 422, 633, 844, 1237, 1266, 1688, 2474, 2532, 2743, 3711, 4948, 5064, 5486, 7422, 8229, 9896, 10972, 14844, 16081, 16458, 21944, 29688, 32162, 32916, 48243, 64324, 65832, 96486, 128648, 192972, 261007, 385944, 522014, 783021, 1044028, 1566042, 2088056, 3132084, 3393091, 6264168, 6786182, 10179273, 13572364, 20358546, 27144728, 40717092, 81434184]

約数ペア:

[(1, 81434184), (2, 40717092), (3, 27144728), (4, 20358546), (6, 13572364), (8, 10179273), (12, 6786182), (13, 6264168), (24, 3393091), (26, 3132084), (39, 2088056), (52, 1566042), (78, 1044028), (104, 783021), (156, 522014), (211, 385944), (312, 261007), (422, 192972), (633, 128648), (844, 96486), (1237, 65832), (1266, 64324), (1688, 48243), (2474, 32916), (2532, 32162), (2743, 29688), (3711, 21944), (4948, 16458), (5064, 16081), (5486, 14844), (7422, 10972), (8229, 9896)]