28703148

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{131}}^1$

素因数の和:219

約数の個数: 72

約数和(自身を含む): 73402560

約数和(自身を除く): 44699412

約数列:

[1, 2, 3, 4, 6, 12, 19, 31, 38, 57, 62, 76, 93, 114, 124, 131, 186, 228, 262, 372, 393, 524, 589, 786, 961, 1178, 1572, 1767, 1922, 2356, 2489, 2883, 3534, 3844, 4061, 4978, 5766, 7068, 7467, 8122, 9956, 11532, 12183, 14934, 16244, 18259, 24366, 29868, 36518, 48732, 54777, 73036, 77159, 109554, 125891, 154318, 219108, 231477, 251782, 308636, 377673, 462954, 503564, 755346, 925908, 1510692, 2391929, 4783858, 7175787, 9567716, 14351574, 28703148]

約数ペア:

[(1, 28703148), (2, 14351574), (3, 9567716), (4, 7175787), (6, 4783858), (12, 2391929), (19, 1510692), (31, 925908), (38, 755346), (57, 503564), (62, 462954), (76, 377673), (93, 308636), (114, 251782), (124, 231477), (131, 219108), (186, 154318), (228, 125891), (262, 109554), (372, 77159), (393, 73036), (524, 54777), (589, 48732), (786, 36518), (961, 29868), (1178, 24366), (1572, 18259), (1767, 16244), (1922, 14934), (2356, 12183), (2489, 11532), (2883, 9956), (3534, 8122), (3844, 7467), (4061, 7068), (4978, 5766)]