31165308

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:307

約数の個数: 72

約数和(自身を含む): 81375840

約数和(自身を除く): 50210532

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 89, 137, 142, 178, 213, 267, 274, 284, 356, 411, 426, 534, 548, 639, 801, 822, 852, 1068, 1233, 1278, 1602, 1644, 2466, 2556, 3204, 4932, 6319, 9727, 12193, 12638, 18957, 19454, 24386, 25276, 29181, 36579, 37914, 38908, 48772, 56871, 58362, 73158, 75828, 87543, 109737, 113742, 116724, 146316, 175086, 219474, 227484, 350172, 438948, 865703, 1731406, 2597109, 3462812, 5194218, 7791327, 10388436, 15582654, 31165308]

約数ペア:

[(1, 31165308), (2, 15582654), (3, 10388436), (4, 7791327), (6, 5194218), (9, 3462812), (12, 2597109), (18, 1731406), (36, 865703), (71, 438948), (89, 350172), (137, 227484), (142, 219474), (178, 175086), (213, 146316), (267, 116724), (274, 113742), (284, 109737), (356, 87543), (411, 75828), (426, 73158), (534, 58362), (548, 56871), (639, 48772), (801, 38908), (822, 37914), (852, 36579), (1068, 29181), (1233, 25276), (1278, 24386), (1602, 19454), (1644, 18957), (2466, 12638), (2556, 12193), (3204, 9727), (4932, 6319)]