189969208

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{787}}^1$

素因数の和:1028

約数の個数: 64

約数和(自身を含む): 420981120

約数和(自身を除く): 231011912

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 211, 286, 422, 572, 787, 844, 1144, 1574, 1688, 2321, 2743, 3148, 4642, 5486, 6296, 8657, 9284, 10231, 10972, 17314, 18568, 20462, 21944, 30173, 34628, 40924, 60346, 69256, 81848, 112541, 120692, 166057, 225082, 241384, 332114, 450164, 664228, 900328, 1328456, 1826627, 2158741, 3653254, 4317482, 7306508, 8634964, 14613016, 17269928, 23746151, 47492302, 94984604, 189969208]

約数ペア:

[(1, 189969208), (2, 94984604), (4, 47492302), (8, 23746151), (11, 17269928), (13, 14613016), (22, 8634964), (26, 7306508), (44, 4317482), (52, 3653254), (88, 2158741), (104, 1826627), (143, 1328456), (211, 900328), (286, 664228), (422, 450164), (572, 332114), (787, 241384), (844, 225082), (1144, 166057), (1574, 120692), (1688, 112541), (2321, 81848), (2743, 69256), (3148, 60346), (4642, 40924), (5486, 34628), (6296, 30173), (8657, 21944), (9284, 20462), (10231, 18568), (10972, 17314)]